By selling 200 books a man gains the selling price of 80 books. Find his gain percent.
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Answered by
14
Selling books 200
SP of one book = x
SP of 200books = 200x
profit = 80x
CP = 200 - 80 = 120x
His gain in percent = 80x/120x x 100
66.67%
Answered by
5
Hey friend :)
==>Let selling price of the book be x
==>Selling price of 200books is 200 * x
==>profit is 80 * x
==>Cost Price is 200x - 80x = 120x
==> gain % is 80x / 120x x 100
==> 66.6666667. %
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