Acompany is selling two different size medicine balls to a local colleges athletic department. the ratio of the ball diameters is 15: 11. if the diameter of the small ball is 55 cm, what is the volume of the larger ball.

D. 220,781.25 cm3

Step-by-step explanation:

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so:

the answer is b