The median number of magazine appearances made by 7 models is 5. the range of number of magazine appearances by those models is 5. at least one of the models made more than 9 magazine appearances. true or false

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