A sack contains red and blue marbles. The ratio of red marbles to blue marbles is 4:3. If there are 16 red marbles in the sack, how many blue marbles are in the sack?

1 Answer
Jun 28, 2017

Blue marbles = 12

Explanation:

Ratio = 4:3Ratio=4:3

Ratio = (4-> color(red)(red))/(3->color(blue)(blue))Ratio=4red3blue

Let xx represent the no. of blue marbles..

:. 4/3 = 16/x

4 xx x = 16 xx 3

4x = 48

x = 48/4

x = 12