Question

a book seller sold 200copies of books at a profit of 20%,. if a book costs him 70, find the total selling price of book

Answer 1

Given -
Cost price of 1 copy = ₹70
Percentage of profit in 200 copies = 20%

According to question,
Cost price of 1 copy = ₹70
Cost price of 200 copies = 70×200 = 14000
Selling price of 200 copies = (20/100×14000)+14000 = 2800+14000 = 16800

Total selling price = ₹16800

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Answer 2

First find the % of profit on one book and find % of 70. You will get price of one book with profit, Now multiply the answer by 200 ( number of books).