Question

1. If there are 9 blue marbles and 12 green marbles in a bag, then what is the

ratio of total marbles to green marbles (reduce if possible.)

Answer 1

7:4

Explanation:

The total number of marbles is 9+12 =21

total marbles : green marbles

21 : 12

Divide each side by 3

21/3 : 12/3

7: 4