SOLUTION: Last year, Tom was 15 years old and his brother John was 3. In how may years will tom be 3 times as old as his brother John?

Question 802618: Last year, Tom was 15 years old and his brother John was 3. In how may years will tom be 3 times as old as his brother John?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Last year, Tom was 15 years old, so
this year he is 16
last year John was 3, so now he is 4
--------
Let = number of years from
now when Tom be 3 times as old
as his brother John
--------

In 2 years Tom be 3 times as old as his brother John
check:
In 2 years, Tom is 18
In 2 years John is 6

OK

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