Question

A bag contains 120 marbles. Some are red and rest are black. There are 19 red marbles for every black marble. How many red marbles are in bag?

Answer 1

There should be 114 red marbles

Explanation:

19 (red marbles) x 6 (sets of red marbles) = 114, plus 6 black marbles = 120 marbles.

Answer 2

114 red marbles

Explanation:

Red : Black

19 : 1

Out of every 20, there are 19 red

19/20 × 120 = 114