Caitlyn bought a helium tank to fill spherical balloons for a party. If the diameter of the filled balloons are 14.4 inches, how much helium would be needed in each balloon?

2 answers

radius of each balloon = 7.2 inches

Volume of each balloon = (4/3)πr^3
= (4/3)π(7.2)^3
= appr 1563 cubic inches
Find it put on your own. Don't cheat lol