Answer:
$9.75
Step-by-step explanation:
We have all we need to solve for Bag #3.
2 bags equal $6.50.
We want 3 bags, not 4. So we need to divide the original cost by 1/2.
$6.50 divided by 1/2 is $3.25
Now we add an additional $3.25 to the original $6.50
