Posted by **Alex** on Sunday, July 22, 2012 at 4:57pm.

Mckenzie's age is 3 years less than 4 times Alec's age. Lily is 1 year less than Mckenzie. If Alec is 2, how old is Lily?

- Math -
**Damon**, Sunday, July 22, 2012 at 5:03pm
m = 4 a - 3

so

m = 4 (2) - 3

m = 8 - 3

m = 5

then

L = m-1

L = 4

- Math -
**Damon**, Sunday, July 22, 2012 at 5:16pm
You did not have to ask me because you could have checked your answer of 4 easily.

Just use 4 for lily and go back to the text of the question.

If Lily is 4 then McK must be 5

If McK is 5 then McK +3 is 8 which is four times Alec so Alec must be 2. Sure enough, that is right.

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