Tuesday

July 29, 2014

July 29, 2014

Posted by **Katie** on Monday, March 5, 2007 at 10:57am.

Have you tried algebra?

Let J = John's age

L = Leah's age = J - 5

S = Sue's age = L -6

L + S + J = 41

Next make these substitutions into the above equation to get rid of L and J in that equation. Use

J = 5 + L = S + 11

L = S + 6

Then you can solve for S.

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