Question 815395: Charlie was 40 years old when his son Adam was born.How old was Charlie when he was 5 times as old as Adam?
Answer by TimothyLamb(4379)   (Show Source):
You can put this solution on YOUR website! c = 40
a = 0
c - a = 40
c = 40 + a
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c = 5a
40 + a = 5a
40 = 4a
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a = 10
c = 50
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