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A is 4 years older than B who is three times as old as C. The total of the ages of A, B and C is 88 years...

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A is 4 years older than B who is three times as old as C. The total of the ages of A, B and C is 88 years. What is the average of A and C ages?

posted May 1, 2018 by anonymous

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1 Answer

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26 years


A=B+4
B=3C
A+B+C=88
(A+C)/2=?


3C+4+3C+C=88,
C=12
B=36
A=40
(A+C)/2=26

answer Jun 21, 2018 by Hanifa Mammadov



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