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Profit/Loss Help Required

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Profit/Loss Help Required

by anuu » Sun Mar 13, 2011 9:16 pm
A milk vendor purchased some milk at the rate of $7.50 and after mixing 30% of water to it sold the mixture at the cost price. His profit per cent is?


As per my understanding:

Say vendor purchases x gallons for 7.50$:

So, CP of x gallons = 7.50$
SP is x+30%x = 7.50$

profit = SP - CP

profit = 1.3x-x ------x(1.3 - 1)
profit = x(.3) i.e 30%

profit for x gallons sold at 7.50$ (750 ents) is 30%

for 750 cents profit is 30%

for 1 cent ? i guess its the same? i'm stuck here....
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by 6983manish » Sun Mar 13, 2011 9:25 pm
anuu wrote:A milk vendor purchased some milk at the rate of $7.50 and after mixing 30% of water to it sold the mixture at the cost price. His profit per cent is?


As per my understanding:

Say vendor purchases x gallons for 7.50$:

So, CP of x gallons = 7.50$
SP is x+30%x = 7.50$

profit = SP - CP

profit = 1.3x-x ------x(1.3 - 1)
profit = x(.3) i.e 30%



profit for x gallons sold at 7.50$ (750 ents) is 30%

for 750 cents profit is 30%

for 1 cent ? i guess its the same? i'm stuck here....



Answer :: Percentage value doesn't vary with the quantity as it is per 100. Its just to represent the proportion of certain part in the whole in terms of value per 100.

So , it would remain 30% for the answer.
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