Question

37. A shopkeeper buys some books for 80.
If he had bought 4 more books for the same
amount, each book would have cost 1
less. Find the number of books he bought.​

Answer 1

it will defineatly help youu

Answer 2

Answer:

let number of books = x

cost of x number of books= ₹80

so,cost of 1 book =₹ 80/x

now,number of books=x+4

now total cost is same=₹80

but cost of one book=₹80/x-1