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December 20, 2014

December 20, 2014

Posted by **Jane** on Saturday, December 31, 2011 at 9:26am.

Tom has a collection of 30 CDs and Nita has a collection of 15 CDs. Tom is adding 1 CD a month to his collection while Nita is adding 4 CDs a month to her collection. Find the number of months after which they will have the same number of CDs.

- math -
**bobpursley**, Saturday, December 31, 2011 at 9:28amT=30+1*time

N=15+4*time

if T=N, then

30+time=15+4time

solve for time

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