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? Is the answer 125 for child and 125 for adult is this correct?

Answer 1

250=C+A
3.5C+7A=1347.50
3.5(250-A)+7A=
3.5A=472.5
A= 135

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