If A and B are in the ratio 3:4 and B and C are in the ratio 12:13, then A and C will be in the ratio _____?
Answer: 9:13
Explanation
Given A:B = 3:4 and B:C = 12:13.
First, make the ratios for B consistent:
A:B = 3:4 = 9:12 (multiplied by 3)
Now, B:C = 12:13
A:B:C = 9:12:13
A:C = 9:13
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