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melamori03 [73]
3 years ago
13

The expression

Mathematics
1 answer:
soldi70 [24.7K]3 years ago
6 0

9a+6s =cost

substitute 3 adults and 5 students

9(3) +6(5) = cost

multiply

27+30=cost

add

57=cost

Total cost is $57

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3 years ago
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3 years ago
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