Final answer:
To find the cost of 1 bag, divide the total cost by the number of bags. In this case, the cost of 1 bag is $0.66.
Step-by-step explanation:
To find the cost of 1 bag, we need to divide the total cost by the number of bags. In this case, we have 25 bags that cost $16.50. So, to find the cost of 1 bag, we divide $16.50 by 25:
$16.50 / 25 = $0.66
Therefore, the cost of 1 bag is $0.66.