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December 21, 2014

December 21, 2014

Posted by **reece** on Thursday, February 21, 2013 at 4:21pm.

- math word problems -
**DrBob222**, Thursday, February 21, 2013 at 4:41pmJ is age of Jerry.

D is age of Dad

G is age of grandfather.

-------------

You know 2J = Dad's age

You know 3J = Granfathers age

You know D + J + G = 132.

For D substitute 2J

For J you have J

For G substitute 3J

2J + 3J + J = 132

Solve for Jerry's age.

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