Problema Solution
Four years later,a man is ten times as old as his son.The son is ten years old,what is the present age of the father.
Answer provided by our tutors
let
f = the present age of the father
s = 10 years the present age of the son
four years later,a man is ten times as old as his son
f + 4 = 10 (s + 4)
f + 4 = 10(10 + 4)
by solving we find
f = 136 years
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the father is 136 years old now.