a man is thrice as old as his son . Three years ago the man was four times as old as his son. Find their present ages.
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a man is thrice as old as his son . Three years ago the man was four times as old as his son. Find their present ages.
a=3b
a-3=4(b-3)
3a-3=4b-12
b=9
a=27
the man is 27 years old (a=27) and the son's age is 9!!
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