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July 3, 2015

Homework Help: Math

Posted by Anonymous on Wednesday, June 18, 2008 at 5:32pm.

Rudy must play 12 commercials during his 1-hr radio show. Each commercial is either 30 sec or 60 sec long. If the total commercial time during that hour is 10 min, how many commercials of each type does Rudy play?

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