Ratio below describes the relationship between grapes and blueberries in a fruit salad. Mandie is making 15 cups of fruit salad. What ratio of grapes to blueberries should she use ?

7 and 1/2 cups of grapes plus 7 and 1/2 cups of blueberries will amount to 15 cups of fruit salad

99

step-by-step explanation:

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