SOLUTION: James bought some apples for $294. Then 16 of the apples are rotten. He sold all the other good apples at 40% increase in the cost price and made a profit of $84. How many apples d
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Question 1054911: James bought some apples for $294. Then 16 of the apples are rotten. He sold all the other good apples at 40% increase in the cost price and made a profit of $84. How many apples did he buy?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = the number of apples he bought
= the number of apples he sold
= the original cost/apple
---------------------------------------------
The profit was $84, so he sold
apples for
----------------------------------------------
= the cost/apple for the ones he sold
--------------------------------------------------
Each apple is sold for 40% more than it cost
Multiply both sides by
---------------
He bought 196 apples
------------------------
check:
$1.50 is the original cost/apple
--------------------------------
A 40% increase in cost is:
He sold apples
for $2.10 each
$378
--------------------------
His profit was:
$84
---------------------------
Looks OK, you might want a 2nd opinion, too
& check my math
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