There are 20 balls in a bag. Ten of the balls are red, 4 are green, and the rest are yellow. Which ratio represents the number of yellow balls to red balls?

(A). 1/5
(B). 3/10
(C). 2/5
(D). 3/5

(D). 3/5

Explanation:

Given the following data;

Total number of balls = 20

Number of red balls = 10

Number of green balls = 4

To find the number of yellow balls;

Yellow balls = 20 - (10 + 4)

Yellow balls = 20 - 14

Yellow balls = 6

Ratio of yellow balls to red balls = 6:10

Dividing by 2, we have;

Ratio of yellow balls to red balls = 3:5

Ratio of yellow balls to red balls = 3/5

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