Question

Debby wears a heart rate monitor when she's exercising. On Saturday, she went on a 2 hour bike ride and took a 1 hour cardio dance class and her heart rate monitor said she burned 1250 calories. On Wednesday, she biked to work and back, for a total of 1.5 hours, and caught the last 30 minutes of a cardio dance class, burning a total of 850 calories. How many calories per hour does Debby burn biking? Create linear cost models and solve.

Answer 1

ebby burns 600 calories per hour biking.

To find how many calories per hour Debby burns biking, we need to calculate her total biking time and total calories burned biking. We can then divide the total calories burned by the total biking time.

On Saturday, Debby went on a 2 hour bike ride and burned 1250 calories. On Wednesday, she biked for a total of 1.5 hours and burned 850 calories.

To calculate the calories burned per hour, we use the formula:

Calories burned per hour = Total calories burned / Total biking time

Applying this formula, we calculate:

Calories burned per hour = (1250 + 850) / (2 + 1.5) = 2100 / 3.5 = 600 calories per hour