Asked by Denise
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
Answers
Answered by
Reiny
child's plate --- x
adult ----- 250-x
solve
3.5x + 7(250-x) = 1347.5
adult ----- 250-x
solve
3.5x + 7(250-x) = 1347.5
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