Answer:
Two equivalent expressions: (31 + 71) + 29 = 31 + (71 + 29)
Total cost: $ 131
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Answer:
Associative property: (71 + 31) + 29 = (71 + 29) + 31
The total cost would be $131 because you have to add 71 + 31 +29 to find the total cost, which therefore, would be 131.
Step-by-step explanation:
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