susan received a $70 gift card for a coffee store. she used it in buying some coffee that cost $7.23 per pound. after buying the coffee, she had $48.31 left on her card. how many pounds of coffee did she buy

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NamptH7iire3nJazmine NamptH7iire3nJazmine

02-07-2016
Mathematics

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susan received a $70 gift card for a coffee store. she used it in buying some coffee that cost $7.23 per pound. after buying the coffee, she had $48.31 left on her card. how many pounds of coffee did she buy

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olemakpadu olemakpadu · Answer 1 · 2016-07-02T18:24:43+02:00

Amount spent on coffee= $70 - $48.31 = $21.69

Coffee cost $7.23 per pound

No of pounds of coffee bought = Amount in $ / Cost in $ per pound

= 21.69 / 7.23

= 3

3 pounds of coffee was bought