Question

if 5 bookscost rs. 75,find the cost of 12 books of the same kind.

Answer 1

5 books cost rs 75

1 book costs 75÷5=15

12 book costs 15×12=180

Answer 2

5 books = Rs.75

then 1 book = 75/5

=Rs.15

so 12 books = 12×15

= Rs.180 Ans