SOLUTION: at a school exhibition, a boy had a book stall. the cost of each book was rs 50. the selling price per book was rs 85, what was his profit percent if he sold 12 books?

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Question 1106543: at a school exhibition, a boy had a book stall. the cost of each book was rs 50. the selling price per book was rs 85, what was his profit percent if he sold 12 books?
Found 2 solutions by mananth, josgarithmetic:
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
Whether you sell one book or 12 books the profit percentage will be the same
Selling price = 85
Cost price = 50
85-50 = 35
Profit percent = (profit/ cost price ) * 100
= 35/50 * 100 = 70
70 % is the profit percentage

Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
profit of rs 35 per book.

Twelve books?
35%2A12=420