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 the bag?

Answer 1

Answer: 114 red marbles

Explanation:

We know that for every 20 marbles, there are 19 red and 1 black marble.

So to get from 20 to 120, we multiply by 6. So we take 19 times 6 = 114 red marbles and 6 black marbles,