Homework Help: math

Posted by stephanie on Tuesday, October 25, 2011 at 5:30pm.

mario bought 2 packs of invitations for
a party. Each pack contains 10 invitations. Mario is inviting 7 classmates, 4 cousins, and 5 children from his neighborhood. What fraction of
the invitations will Mario use?

math - Ms. Sue, Tuesday, October 25, 2011 at 5:32pm
7 + 4 + 5 = 16

16/20 = 4/5

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