November 30, 2015

Homework Help: algebra

Posted by Denise on Thursday, June 24, 2010 at 7:55am.

The St. Mark's Community Barbecue served 250 dinners. A child's plate cost $3.50 and an adult's plate cost $7.00. A total of $1347.50 was collected. How many of each type of plate was served

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