Question

A student purchases some books for rs. 1600. If he had bought 8 more books for the same amount, each book would cost its. 10 less. The number of books he buys is

Answer 1

Answer:

Let no. of books be n.

Let cost of each book be Rs.x.

Thus,

nx=1600;

(n+8)(x-10)=1600

solve..............