Question

Maria received a $90 gift card for a coffee store. She used it in buying some coffee that cost $8.53 per pound. After buying the coffee, she had $64.41

left on her card. How many pounds of coffee did she buy?

Answer 1

90-8.53x=64.41
-90 -90
-8.53x=-25.59
÷-8.53 ÷-8.53
x=3
She bought 3 pounds of coffee