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mr. cramer runs on a treadmill 4 days per week for 1.5 hours per day. he rides a bike on the other 3 days for 1.5 hours per day. how many hours per week does mr. cramer exercise?

  10.5 hours

Step-by-step explanation:

On each of the 7 days, Mr. Cramer exercises 1.5 hours. His total weekly time is ...

  7 · 1.5 hours = 10.5 hours

56.6

step-by-step explanation:

the ratio of the perimeters is equal to the scale.

the ratio of the areas is equal to the square of the scale.

34 / 20 = k

a / 19.6 = k²

substituting:

a / 19.6 = (34 / 20)²

a = 19.6 (34 / 20)²

a ≈ 56.6

what is the graph

step-by-step explanation: