Question

use the graph to solve the questions below. estimating calories used calories used per hour standing slow walking power walking swimming running biking which activity burns more calories one hour of biking or three hours of power walking? biking power walking both burn the same amount of calories none of the above

Explanation:

Step1: Determine calories for biking

From the graph, 1 - hour of biking burns 700 calories.

Step2: Determine calories for 3 - hours of power - walking

From the graph, 1 - hour of power - walking burns 300 calories. So, 3 hours of power - walking burns $3\times300 = 900$ calories.

Step3: Compare the two values

Since $700<900$, 3 hours of power - walking burns more calories.

Answer:

power walking