Question

If the cost of 20book is rs. 180,hoe much will 15 books cost?

Answer 1

Answer:

Cost of  20 book------------------------180

              15 book------------------------- ?

Here we cross multiply

That is

15*180/20

= 15*9

= 135

So 15 books will cost 135 rupees

Hope this helped you if so pls mark me as brainliest

Thankyou.

Answer 2

Answer:

The answer is Rs.135 for 15 books

Step-by-step explanation:

Given:

Rs. of 20 books = Rs.180

To find:

To find the Rs. of 15 books

Solution:

Rs. of 20 books = Rs.180                                           (Given)

Rs. of 1 book = 180/20 = Rs. 9

So,

For Rs. of 15 books = 9 x 15

                                = Rs.135

The answer is Rs.135 for 15 books

Hope this helps u :))

Pls mark this as brainliest