Question

Michael has a ball that has a radius of 3 inches and Patrick has a ball that has a radius

of 9 inches. How many times bigger is the volume of the larger ball?

Answer 1

27 times bigger

Explanation:

V(sphere) = 4/3πr³

Michael: 4/3π3³ = 4/3×27π or 36π

Patrick: 4/3πr³ = 4/3πx9³ or 4/3x729π or 972π

36π to 972π is 1 : 27