Question

Diane received a $80 dollar gift card for a coffee store. She used it in buying some coffee that cost $8.14 per pound. After buying the coffee, she had $39.30 left on her card. How many pounds of coffee did she buy?

Answer 1

5 pounds 
Because you have to subtract $80 from $39.30 and when you do that you get $40.70. Then you divide that by the $8.14 per pound and that gives you your answer.
 
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Answer 2

Take 80.00 and subtract the 39.30 she still has left on her gift card.
That means that she spent $40.70.
Take 40.70 and divide it by 8.14 per pound of coffee and you get 5.
So, she bought 5 pounds of coffee
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