Verified Answer :

MathQ

There are 2 flutes and 1 drum. What is the ratio?

The ratio of boys to girls in a class is 6:8. If there are 40 girls, how many boys are there?

How to solve: 
Boys   Girls
 6            8
 x           40
8 x ? = 40   ? = 5         6 x 5 = 30 30 boys