Posted by **Kelvin** on Tuesday, July 12, 2011 at 6:51pm.

Coach Johnson is 10 years older than Tim. When Tim started football 3 years ago, Coach Johnson was twice his age. How old is Tim now?

- MATH -
**Reiny**, Tuesday, July 12, 2011 at 7:01pm
Tim's current age -- x

coach's current age -- x+10

3 yrs ago, Tim was x-3

3 yrs ago, coach was x+7

(x+7) = 2(x-3)

x+7 = 2x - 6

13 = x

Tim is now 13

check: if Tim is 13, then coach is 23

3 years ago, Tim was 10 , coach was 20

Yes, he was twice as old then!

- MATH -
**Katheryn Hy**, Tuesday, July 12, 2011 at 7:02pm
Tim would be 13 years old now coach johnson is 23 now

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