K A 150-pound person uses 6.3 calories per minute when walking at a speed of 4 mph. How long must a person walk at this speed to use at least 210 calories? A person must walk for at least (Round up to the nearest minute.) minutes in order to use at least 210 calories

Answer rating: 100% (QA)

To solve this problem we can first calculate the time needed for the person to burn 210 calories whi... View the full answer