Question

if 15 books cost 70 rupees how much will 12 books cost​

Answer 1

Step-by-step explanation:

1 book = 70/15

= 14/3

12books = 14/3× 12

= 56

is the correct answer

Answer 2

Step-by-step explanation:

To find cost of one book = 70/15

= 4.6666666667

so the cost of 12 books = 4.6666666667×12

Ans = 56