Problema Solution

If Mr. Tanaka is 35 years old, and his son is 5 years old. In how many years will Mr. Tanaka be three times as old as his son?

Answer provided by our tutors

lets say that in 'x' year Mr. Tanaka will be three times as old as his son:


35 + x = 3(x + 5)


by solving we find:


x = 10 years


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in 10 years Mr. Tanaka will be three times as old as his son.