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Mathematics, 27.07.2021 16:40 mahmudabiazp3ekot

Andrea paid $9.99 to join an online music service. She purchases 12 songs each month at a cost of $0.79 per song Andrea thinks after six months she will have spent around $40 total is Andrea‘s estimate reasonable?

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Andrea paid $9.99 to join an online music service. She purchases 12 songs each month at a cost of $0...
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