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Mathematics, 26.05.2021 06:20 summerdooleyu

Mary received an $80 gift card for a coffee store. She used it in buying some coffee that cost $8.21 per pound. After buying the coffee she had $30.74 left on her card. How many pounds of coffee did she buy?

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Mary received an $80 gift card for a coffee store. She used it in buying some coffee that cost $8.21...
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