Virginia wants to lose 10 pounds of fat in 6 months. For how much time must she

Question

Virginia wants to lose 10 pounds of fat in 6 months. For how much time must she run on a treadmill per workout session if she commits to 5 days per week at 4 mph and 1% grade? She weighs 90kg. The answer is 25 minutes but I can't get the answer please help. Virginia wants to lose 10 pounds of fat in 6 months. For how much time must she run on a treadmill per workout session if she commits to 5 days per week at 4 mph and 1% grade? She weighs 90kg. The answer is 25 minutes but I can't get the answer please help.

Explanation / Answer

We Know speed, grade, weight and time spent exercising.

(Speed 4 mph, Grade 1%, Weight 90kgs., Time 25 minutes).

Now we will Convert into units.

Speed needs to be in meters per minute. If speed is in miles per hour, We will multiply it by 26.8 to find meters per minute

4 mph x 26.8 = 107.2 meters per minute

Percent grade needs to be written as a decimal

1 percent / 100 = .01).

Body weight = 90kg

Now we will Write the time that the spent exercising in minutes.

We will Complete the equation.

Correct formula (0.2 x speed) + 0.9 x speed x grade) + 3.5

(0.1 x 107.2 meters per minute) + (1.8 x 107.2 meters per minute x 0.01 grade) + 3.5

= 16.14

16.14+8.5=25

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