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If A: B =7:5 and B:C=9:11 then A: B:C=Options24:09:4263:45:5546:03:5055:43:037:45:29

Question

If A: B =7:5 and B:C=9:11 then A: B:C=Options24:09:4263:45:5546:03:5055:43:037:45:29

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Solution

To solve this problem, we need to find a common multiplier for B in both ratios.

  1. In the first ratio A:B = 7:5, B is 5.
  2. In the second ratio B:C = 9:11, B is 9.

The common multiplier for 5 and 9 is 45. So, we multiply both ratios by the necessary numbers to make B equal to 45 in both.

  1. Multiply the first ratio A:B = 7:5 by 9, we get A:B = 63:45.
  2. Multiply the second ratio B:C = 9:11 by 5, we get B:C = 45:55.

Now we can combine these ratios to get A:B:C = 63:45:55. So, the correct option is 63:45:55.

This problem has been solved

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