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Pls Help Me With The Solution To This Maths Problem. by 13ShadesOfMay(m): 2:57pm On Jan 20, 2019 |
A trader buy n orange at the rate of 5 oranges for #90. Eight of the oranges are bad, so she sell the rest at the rate of 4 oranges for #120 and make a profit of #800. Find n. |
Re: Pls Help Me With The Solution To This Maths Problem. by dejt4u(m): 5:06pm On Jan 20, 2019 |
13ShadesOfMay:n = 86.7 |
Re: Pls Help Me With The Solution To This Maths Problem. by SmithRussell(m): 6:27pm On Jan 20, 2019 |
dejt4u:Yeah. . . Had to solve again, why is the answer in fraction? |
Re: Pls Help Me With The Solution To This Maths Problem. by engrAAS: 7:02pm On Jan 20, 2019 |
dejt4u:please send us the workings |
Re: Pls Help Me With The Solution To This Maths Problem. by Chevrolet076(m): 7:41pm On Jan 20, 2019 |
SOLUTION: terms(c.p=>cost price, s.p=>selling price) { 5 oranges = 90; n oranges = c.p; c.p = 18n } oranges left after spoiling = n - 8; { 4 oranges = 120; n-8 oranges = s.p ; s.p = 30(n-8 ). ; } profit = s.p - c.p; 800 = 30(n - 8 ) - 18n; (n=86.667 _~_ 87) 1 Like |
Re: Pls Help Me With The Solution To This Maths Problem. by 13ShadesOfMay(m): 10:38pm On Jan 20, 2019 |
dejt4u:thanks bro, but I need you workings too |
Re: Pls Help Me With The Solution To This Maths Problem. by Nobody: 8:21am On Jan 21, 2019 |
13ShadesOfMay:ok SOLUTION: terms(c.p=>cost price, s.p=>selling price) { 5 oranges = 90; n oranges = c.p; c.p = 18n } oranges left after spoiling = n - 8; { 4 oranges = 120; n-8 oranges = s.p ; s.p = 30(n-8 ). ; } profit = s.p - c.p; 800 = 30(n - 8 ) - 18n; (n=86.667 _~_ 87) copied from Chevrolet 076 |
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