Question

In a bag of yellow and orange marbles, the ratio of yellow marbles to orange marbles is2:3. If the bag contains 120 yellow marbles, how many orange marbles are there?

150
60
130
180
15

Answer 1

180 orange marbles

Explanation:

the 2 part of the ratio refers to the amount of yellow marbles.

divide amount of yellow marbles by 2 to find the value of one part of the ratio.

120 ÷ 2 = 60 ← value of 1 part of the ratio , then

3 parts = 3 × 60 = 180 ← number of orange marbles