Problem
The pet store sells dog food at the same price per pound. Six pounds of dog food costs \( \$ 4.50 \). Alana needs to purchase 10 pounds of food.
Solution
Step 1 ：Calculate price per pound: \( \frac{\$4.50}{6\text{ pounds}} \)
Step 2 ：Price per pound: \( \$0.75 \)
Step 3 ：10 pounds cost: \( 10\text{ pounds} \times \$0.75 \)
