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If A : B = 7 : 9, and B : C = 5 : 7 , then A : C =

A5 : 9

B9 : 5

C7 : 5

D9 : 7

Answer:

A. 5 : 9

Read Explanation:

A : B = 7 : 9 = 5( 7 : 9) = 35 : 45 B : C = 5 : 7 = 9( 5 : 7) = 45 : 63 A : C = 35 : 63 = 5 : 9


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