Given:
Leila received a $70 gift card for a coffee store.
She used it in buying some coffee that cost $7.31 per pound.
After buying the coffee, she had $48.07 left on her card.
Required:
To find how many pounds of coffee did Leila Bought.
Step-by-step explanation:
Since she started with 470 and ended with $48.07, we can find the total amount spent by subtracting these amounts,

This means that she spent $21.93 on coffee.
If each pound cost $7.31, we can divide $21.93 by 7.31 to see how many pounds she bought.

3 pounds of coffee purchased.
Final Answer:
3 pounds of coffe purchased