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Mathematics - Education - Nairaland

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Mathematics by Deepocean(m): 10:15am On Jan 28, 2020
A man loses 30% by selling an article for 14 naira. What was the cost price of the article?
Re: Mathematics by DaInferno(m): 10:19am On Jan 28, 2020
18.2
Re: Mathematics by Kylekent59: 10:27am On Jan 28, 2020
Deepocean:
A man loses 30% by selling an article for 14 naira. What was the cost price of the article?


%loss = 30

Selling price = #14

Cost price =?

Cost price in terms of loss% = ( 100/ 100 - loss%) X Selling price

= (100 / 100-30) X 14

= 100 / 70 X 14
= 10/7 X 14
= 10 X 2
= #20
Re: Mathematics by Deepocean(m): 12:25pm On Jan 28, 2020
Thank boss.

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