Question

a bookseller bought 45 books . he sold them at the rate of rs 20 each making a profit of rs 180 on the whole. find the cost price of each book​

Answer 1

Answer:

720

Step-by-step explanation:

45*20=900

900-180=720

720/45=16

Therefore , The cost of each book = ₹ 16

Answer 2

bookseller has 45 books

so,

selling price if books = 20 per book

profit of whole books in rupees = 180 ₹

= number of books × rupees

= 45 × 20

= 900

= 900 - profit rupees

= 900 - 180

= 720 ₹

= 720 / 45

= 16 ₹

16 ₹ is the cost price of book