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Ivanna received a $90 gift card for a coffee store. She used it in buying some coffee that cost $7.68 per pound. After buying the coffee, she had $66.96 left on
her card. How many pounds of coffee did she buy?

Respuesta :

superhosly

Answer:

3 pounds

u have to use y=mx+b

90=7.68x+66.96

subtract the 66.96 from the 90

then just divide

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