Question

There are 9 red marbles and 6 blue marbles in a bag.

(a) What is the ratio of blue marbles to all marbles in the bag?
(b) What is the ratio of all marbles in the bag to red marbles?

Answer 1

(a) 2:5

(b) 5:3

Explanation:

The number of blue marbles is 6, the number of red marbles is 9, and the total number of marbles is 15. Therefore the answers are (a) 6:15 = 2:5 (b) 15:9 = 5:3