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 Maths problem (pls help to solve)
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By: richardli (offline)  Friday, August 10 2012 @ 02:02 AM CDT (Read 770 times)  

A shopkeeper bought some mangoes to sell. On Monday, he sold them at
25% above the price he had paid and manage to sell 20% of the mangoes.
On guessed, he sold the mangoes at 13% less than the price he sold on
Monday and he managed to sell all the mangoes. He made a total of
$900 from the sale of all the mangoes in the 2 days. What was the price he
had paid for the mangoes?

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By: tancrowhurst (offline)  Saturday, August 11 2012 @ 04:24 AM CDT  

He sold 1/5 at 25% profit -> 0.2x1.25=0.25
He sold the rest at 13% less -> 0.87 x1.25=1.0875
->0.8 x1.0875=0.87
Overall, he made a profit of 12%.
The cost of mangoes was $7500.

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