How many pounds of walnuts that cost $5 per pound must be mixed with 6 pounds of cashews that cost $12 per pound to make a mixture of nuts that costs $8 per pound?

Use the following partially-completed table to help:

Total cost ($) = Price ($/pound) * Amount (pounds)
Walnuts
= 5.00 *
Cashews
= 12.00 * 6
Total Mix
= 8.00 *