Question

There are 60 marbles in a jar and 15 of those marbles are blue. Find the ratio of blue marbles to the marbles that are not blue

Answer 1

1:3

Explanation:

There are 60 marbles

15 are blue

60-15 = 45 are not blue

Ratio of blue : not blue

15:45

Divide by 15

15/15 : 45/15

1:3