To determine the cost of one pound of dog food from an 18-pound bag that costs [tex]$30.96, follow these steps:
1. Identify the total weight and cost: We know the total weight of the dog food is 18 pounds, and the total cost is $[/tex]30.96.
2. Set up the calculation for the cost per pound: To find the cost per pound, divide the total cost by the total weight.
Cost per pound = Total cost / Total weight
3. Perform the division: Divide [tex]$30.96 by 18 pounds:
\[
\frac{30.96}{18} = 1.72
\]
4. Interpret the result: The cost per pound of dog food is $[/tex]1.72.
Hence, the correct answer is:
C. $1.72
