If a 3-ounce piece of cheese yields 480 calories, how many calories per ounce?

If a 3-ounce piece of cheese yields 480 calories, how many calories per ounce?

• A. 120
• B. 200
• C. 180
• D. 160

Answer: (D)

Calories per ounce is a unit rate. If a 3-ounce piece yields 480 calories, divide to find calories per single ounce: 480 ÷ 3 = 160. A quick check confirms it: 160 calories/ounce × 3 ounces = 480 calories. So the value per ounce is 160 calories.

Calories per ounce is a unit rate. If a 3-ounce piece yields 480 calories, divide to find calories per single ounce: 480 ÷ 3 = 160. A quick check confirms it: 160 calories/ounce × 3 ounces = 480 calories. So the value per ounce is 160 calories.