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Mathematician Over To You? - Education (5) - Nairaland

Nairaland ForumNairaland GeneralEducationMathematician Over To You? (27832 Views)

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Re: Mathematician Over To You? by Burshh: 1:30pm On Aug 17, 2025
No profit made yet. If his working Capital is assumed to be the 60 dollars.
Re: Mathematician Over To You? by Mandesz(m): 1:30pm On Aug 17, 2025
Stainlezzking:
the two people above me, saying $10 is funny. he made $20 in total.
You even worse because he made nothing! Break even
Re: Mathematician Over To You? by Mandesz(m): 1:31pm On Aug 17, 2025
Achor1111:
Comprehend ko, comprehensive ni!
Stop displaying your ignorance!
The answer is $20
He made nothing
Re: Mathematician Over To You? by dgitrader(m): 1:31pm On Aug 17, 2025
.
Re: Mathematician Over To You? by Oghene86: 1:31pm On Aug 17, 2025
muyico:
Simple equation but logic! Who can solved this equation??
Let’s break it down step by step:

1. First transaction

Buys goat = $60
Sells goat = $70
Profit = $70 − $60 = $10

2. *Second transaction*:

*Buys goat again = $80
Sells goat = $90
Profit = $90 − $80 = $10

3. Total profit = $10 + $10 = $20

✅ The man made $20 in total
Re: Mathematician Over To You? by Mandesz(m): 1:32pm On Aug 17, 2025
Achor1111:
Comprehend ko, comprehensive ni!
Stop displaying your ignorance!
The answer is $20
He made nothing.
I'm accounting expert. Simple question
Re: Mathematician Over To You? by Duplex90: 1:33pm On Aug 17, 2025
He made 10 from first biz then borrowed 10 to do the 2nd which he made another 10 but instead use the 10 to pay back the debt so he made nothing.
Re: Mathematician Over To You? by donproject2(m): 1:34pm On Aug 17, 2025
Break the transaction into two separate transactions, he makes $10 in each transaction making it total of $20.
Re: Mathematician Over To You? by rabiudon: 1:35pm On Aug 17, 2025
He made 20$. 10$ profit on each sale.
Re: Mathematician Over To You? by motorola(m): 1:38pm On Aug 17, 2025
Stainlezzking:
the two people above me, saying $10 is funny. he made $20 in total.
You are absolutely correct
Re: Mathematician Over To You? by cathodekazim: 1:38pm On Aug 17, 2025
Cash at hand 60 dolz

Cash at hand after purchase 0 dolz

Cash at hand after sales, 70 dollars

Profit made. 10 dollars

Cash at hand now is 79 dollars

He bought the goat again at 80 dollars meaning he borrowed extra ten dollars to supplement his current cash at hand
After buying again, he has nothing left but a debt of 10 dollars

He then sold it for 90 dollars

He paid the debt of 10 dollars, making him have 80 dollars left


Remember he started with 60 dollars

So he made a total of 20 dollars as profit.
Re: Mathematician Over To You? by sirnewton20: 1:39pm On Aug 17, 2025
He made 20 bucks
Transaction involves buying and selling. The first transaction ended when he sold the goat.
The second transaction started when he bought the goat

For the first transaction made 10 bucks and the second transaction 10 bucks
Re: Mathematician Over To You? by Guestmale: 1:39pm On Aug 17, 2025
Theoretically he made $20 dollars but in reality he makes no profit, but he did not loose.
Re: Mathematician Over To You? by Guestmale: 1:41pm On Aug 17, 2025
Duplex90:
He made 10 from first biz then borrowed 10 to do the 2nd which he made another 10 but instead use the 10 to pay back the debt so he made nothing.
You got it.
Re: Mathematician Over To You? by 99thEnemy(m): 1:42pm On Aug 17, 2025
Princewell2012:
Hmm but you fail to understand that he is now buying it back higher than the first purchased, so I don't think he is making any gain from it.
I see why you think there is no gain, but that isn't correct.

Profit is calculated per transaction, not based on the very first purchase.
First deal: bought at $60, sold at $70 making $10 profit

Second deal: bought at $80, and sold at $90 to make $10 profit

Each sale brings in $10, so the total profit is $20.

The fact that the second buy was higher than the first is irrelevant, what matters is how much was made at each sale.

To make it clearer:

Imagine you have two shops in different places.

In Shop A, you have $60. You buy a goat for $60 and sell it for $70 making $10 profit. The money stays in Shop A.

Later, in Shop B, you have $80. You see the same goat with a trader and buy it for $80, then resell it for $90 which is another $10 profit.

In all, you’ve done business with the same goat twice and earned $20 profit overall.
Re: Mathematician Over To You? by donmik: 1:43pm On Aug 17, 2025
Haba na....


You don't need to make this a puzzle


An averagr art student can reason this out without writinga anything in 5s
Re: Mathematician Over To You? by olatdove: 1:44pm On Aug 17, 2025
The answer is $20.

The total profit is $20.

While the lost is $10.

But what the question said is that how much did he gained, which answer is $20.
Re: Mathematician Over To You? by Hardeybohwarley(m): 1:45pm On Aug 17, 2025
muyico:
Simple equation but logic! Who can solved this equation??
He made $20.
Re: Mathematician Over To You? by Segun198019: 1:47pm On Aug 17, 2025
Mathematis is not you thing
CJStarz:
I calculate am.
I no see any profit o
Re: Mathematician Over To You? by deanoffaculty: 1:51pm On Aug 17, 2025
Princewell2012:
I was laughing when I read this your comment, because our landlady used to rear gaot , so I know what you mean.
😂 😂 😂
Re: Mathematician Over To You? by member13(m): 1:53pm On Aug 17, 2025
To those of you who said he borrowed $10 to buy the goat again, why didn’t you assume he borrowed $60 to buy the goat in the first place?

The question does not say anything about borrowing. If we could assume that he had the $60 capital initially, then he probably had more than that. What if he had $1000 initially, then he would be making $20 in profit.
Re: Mathematician Over To You? by Samsungx2: 1:56pm On Aug 17, 2025
Total cost #140
Total revenue #160
Rec=TR-TC
REV=160-140
=20
Profit=#20
Re: Mathematician Over To You? by inspectorg(m): 1:57pm On Aug 17, 2025
He made $90-$60=$30(gross profit).
$30(gross profit) - $10(reinvested profit) =$20(net profit).

Therefore the profit made is the net profit $20.
Re: Mathematician Over To You? by Ayokequeen(m): 2:01pm On Aug 17, 2025
Many of you shouting "he made$20 profit" are not fit for business at all because the likes of you usually take the gross as your overall profit while forgetting to remove some contingencies and be left with the net.

He started the business with $60 and made $10 profit in the first transaction making $70 altogether but he bought the same item back at $80 (a loss of $10) and then sold it back at $90 (a profit of $10 cancelling the first loss)

The guy made no profit.
Re: Mathematician Over To You? by Tradepunter2: 2:03pm On Aug 17, 2025
Stainlezzking:
the two people above me, saying $10 is funny. he made $20 in total.
Oo yeah because both transactions are independent of each other..... but naturally the human mind will think they are connected...hmmm hmm 🤔
Re: Mathematician Over To You? by damkin24(m): 2:06pm On Aug 17, 2025
20 bucks
Re: Mathematician Over To You? by Princewell2012(m): 2:07pm On Aug 17, 2025
99thEnemy:
I see why you think there is no gain, but that isn't correct.

Profit is calculated per transaction, not based on the very first purchase.
First deal: bought at $60, sold at $70 making $10 profit

Second deal: bought at $80, and sold at $90 to make $10 profit

Each sale brings in $10, so the total profit is $20.

The fact that the second buy was higher than the first is irrelevant, what matters is how much was made at each sale.

To make it clearer:

Imagine you have two shops in different places.

In Shop A, you have $60. You buy a goat for $60 and sell it for $70 making $10 profit. The money stays in Shop A.

Later, in Shop B, you have $80. You see the same goat with a trader and buy it for $80, then resell it for $90 which is another $10 profit.

In all, you’ve done business with the same goat twice and earned $20 profit overall.
Thanks it is now cleared.
Re: Mathematician Over To You? by samwash(m): 2:08pm On Aug 17, 2025
Since the answer is logic

He has $60 for the start of business
He bought a goat for $60 and sold for $70
Making a profit of $10
He now has $70 cash at hand both principal and interest.
He source for another $10 elsewhere to add to the $70 to do another business, making it $80.
He now bought (the same) goat at $80 now and sold it at $90, making a profit of $10.
There's the logic

1st answer

From the 1st business he made $10 and the 2nd business he also made $10, making the profit $20.
Initial capital $60
Sold at $70
Profit $10
Good abi?

2nd answer


Initial capital $80
Sold $90
Profit $10
Good abi ?

If we add both together he made $20. Good abi?

Then take a look

Since he source for another $10 to join in his cash at hand of $70 total money made in 1st business making it $80 to start the 2nd business and sold the (same goat) at $90

So,

$90 total money from businesses
-$10 money source from elsewhere
=$80 (we arrived at the same money he used to for the 2nd business)
So he made NO profit.

Abi?

Logic right ?
Re: Mathematician Over To You? by DixseenMktPlace(m): 2:09pm On Aug 17, 2025
$10 for all these stress?

Yakubu be careful and take your time

😂
Re: Mathematician Over To You? by lebienconnu(m):
The guy went to the market to buy and sell in order to make profit, which he did two times. He made a profit of $10 on each transaction. Please note that the transactions are independent.
Mathematically speaking, profit = selling price - buying price. As such, total profit is $20.

Those that are arguing that he actually made no profit may also be correct, albeit not mathematically. Perhaps, in keeping with the principles of accounting, they may be right. The question was directed at "Mathematicians in the House", not accountants. Admittedly, he was $0 richer but he made $20 from two different transactions. Therefore, $20 is the right answer.
Re: Mathematician Over To You? by Zocalite: 2:20pm On Aug 17, 2025
This is not mathematics na, not even arithmetic

Just argument
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