Homework Help: math

Posted by sarah on Monday, September 17, 2012 at 6:39pm.

Marissa plans to use 50 sheets of paper for a scrapbook. how much thicker will the scrapbook be if she uses heavyweight instead or lightweight paper?

100 sheets of lightweight in thickness is 3/10 in
100 sheets of heavyweight in thickness is 2/5 in.

math - Ms. Sue, Monday, September 17, 2012 at 6:41pm
2/5 = 4/10

[(4/10) - (3/10)] / 2 = ____ inch
math - dad pulling out his hair, Monday, September 17, 2012 at 9:42pm
is the answer 1/20 if not I am sooo confused.

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