Posted by **Carol** on Sunday, October 24, 2010 at 6:01pm.

I'm in 5th grade pls. help.

Amanda has a collection of X, Y and Z. Every X is a Y. One half the Z's are Y's. There are 3 times as many Y's as X's. Amanda has 50 Z's and 40 X's. No Z is an X. How many Y's does Amanda have that are neither X's nor Z's?

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**Carol**, Sunday, October 24, 2010 at 7:44pm
pls. help

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**Anonymous**, Saturday, February 7, 2015 at 12:53pm
yj537756

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