<PRE><B>Question 906872</B>
jack is 39 years old.
jill is 16.


in how many years will jack be 3 times as old as jill?


solution is as follows:


x = the number of years.


39 + x = 3 * 16 which becomes:
39 + x = 48
subtract 39 from both sides of the equation to get:
x = 48 - 39
solve for x to get x = 9


39 + 9 = 48
3 * 16 = 48
39 + 9 = 3 * 16
jack will be 3 times as old as jill is today in 9 years.


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