SOLUTION: A trader has 100 Kg of wheat, part of which he sells at 5% profit and the rest at 20% profit. He gains 15% on the whole. Find how much is sold at 5% profit?
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Question 452034: A trader has 100 Kg of wheat, part of which he sells at 5% profit and the rest at 20% profit. He gains 15% on the whole. Find how much is sold at 5% profit? Answer by ankor@dixie-net.com(22740) (Show Source):
You can put this solution on YOUR website! A trader has 100 Kg of wheat, part of which he sells at 5% profit and the rest at 20% profit.
He gains 15% on the whole. Find how much is sold at 5% profit?
:
Let x = amt sold at 5%
then
(100-x) = amt sold at 20%
:
A typical mixture equation
.05x + .20(100-x) = .15(100)
solve for x
