1.
If A : B = 3 : 5 and B : C = 4 : 7, what is A : C?
A
12 : 35
B
3 : 7
C
4 : 5
D
15 : 28
View Answer
Correct Answer: A — 12 : 35
Explanation:
A : B = 3 : 5, B : C = 4 : 7. Make B common: A : B = 12 : 20, B : C = 20 : 35. So A : C = 12 : 35.
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