If a:b = 2:3 and b:c = 4:5, find a:c.

A8:15

B2:5

C3:4

D5:6

Explanation

a/c = (a/b)*(b/c) = 2/3 * 4/5 = 8/15.

Exam Relevance

Topic: Ratio and Proportion
Subtopic: Compound Ratio

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