Question

The cost price of 16 book is equal to the selling price of 30 books. find the loss%

Answer 1

16cp=30sp

Sp/cp =16/30

7/15 =46.6% loss

Answer 2

Let the cost price of 1 book be x

Find the selling price of 1 book:

30 books = 16x

1 book = 16x ÷ 30 = 8/15 x

Find the loss:

Loss = Cost Price - Selling Price

Loss = x - 8/15 x = 7/15 x

Find the loss percentage:

Loss percentage = loss/cost price x 100

Loss percentage = (7/15 x ÷ x) x 100 = 46.67%

Answer: The loss is 46.67%