If a:b = 3:4 and b:c = 5:6, then a:c is:

A1:2

B5:8

C3:8

D4:5

Explanation

a/c = (a/b)*(b/c) = (3/4)*(5/6) = 15/24 = 5/8.

Exam Relevance

Topic: Ratio and Proportion
Subtopic: Ratio Combination

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