Question 573033
A is 12% older than B, while B is 11% older than C. By how much percent is A older than C?
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Equations:
A = 1.12B
B = 1.11C
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Substitute for "B" to get:
A = 1.12(1.11C) = 1.2432C 
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A is 0.2432 = 24.32% older than C
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Cheers,
Stan H.
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