Running approximately 7 mph burns about 12 calories per minute. If a slice of pepperoni pizza contains 330 calories, calculate Conor’s caloric energy change after consuming 4 pizza slices and running for 1.5 hours at 7 mph?

• A. –240 calories
• B. +83 calories
• C. +240 calories
• D. –115 calories
• E. 0 calories

Answer: (C)

Verified step by step guidance

1. Step 1: Calculate the total caloric intake from consuming 4 slices of pizza. Multiply the calories per slice (330 calories) by the number of slices (4). Use the formula: \( \text{Total Calories from Pizza} = 330 \times 4 \).
2. Step 2: Determine the total calories burned by running for 1.5 hours at 7 mph. First, convert 1.5 hours into minutes (1.5 hours = 90 minutes). Then, multiply the calories burned per minute (12 calories) by the total minutes (90). Use the formula: \( \text{Calories Burned} = 12 \times 90 \).
3. Step 3: Calculate the net caloric energy change by subtracting the calories burned from the total caloric intake. Use the formula: \( \text{Net Caloric Change} = \text{Total Calories from Pizza} - \text{Calories Burned} \).
4. Step 4: Compare the calculated net caloric energy change to the provided answer choices to determine the correct value.
5. Step 5: Verify the calculations to ensure accuracy and confirm the correct answer matches the provided solution (+240 calories).