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December 18, 2014

December 18, 2014

Posted by **steve** on Sunday, November 28, 2010 at 5:28pm.

- math -
**Ms. Sue**, Sunday, November 28, 2010 at 5:32pmUse this proportion, cross multiply and solve for x.

40/120 = 1/x

- math -
**Jen**, Sunday, November 28, 2010 at 9:07pmBut how do you know all the textbooks weigh the same amount? Poorly written question..

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