A group of 40 children attended a baseball game on a field trip. Each child received either a hot dog or a bag of popcorn. Hot d
ogs were $2.25 and popcorn was $1.75. If the total bill was $83.50, how many hotdogs were bought?
1 answer:
X + y = 40
2.25x + 1.75y = 83.50
-1.75x - 1.75y = -70
2.25x + 1.75y = 83.50
.50x = 13.50
27 hotdogs were bought
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