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Rasek [7]
2 years ago
9

A restaurant has one price for adults and another price for children to eat at its buffet. Two families ate at the buffet. The T

raymore family has two adults and three children and their bill was $49.50. The Willis family has three adults and one child and their bill was $44.50. What is the cost for an adult to eat at the buffet and what is the cost of a child to eat at the buffet?
Mathematics
1 answer:
bekas [8.4K]2 years ago
8 0
It costs an adult $12 and a child $8.50 to eat at the buffet.

2a+3c=49.40
3a+1c=44.50

c=44.50-3a

2a+3(44.50-3a)=49.50
-7a+133.5=49.50
a=12

2(12)+3c=49.50
3c=25.50
c=8.50
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