Question

15% of the number of marbles in a box is 30 marbles. How many marbles are there in the box? *

Answer 1

The answer to the question is 200

Answer 2

200

Explanation:

Let the amount of marbles in the box be m.

15/100m = 30

15m/100 = 30

15m = 3000

m = 200

Checking

15% * 200 = 30