Question

1.

Joseph brought chocolate and vanilla cupcake to school for his birthday.53 students decided to take a cupcake,and 80% of them picked vanilla.How many people picked a vanilla cupcake?

Find the volume of the hemisphere.Round your answer to the nearest tenth of 7cm.

There separate questions

Answer 1

1. 42 kids
2. I need more info.

Answer 2

People who picked up vanilla cupcakes = 80% x 53

80% x 53 = 0.8 x 53 = 42 people (nearest whole number)

42 people picked vanilla cupcakes


Volume of a sphere = 4/3πr³

4/3πr³ = 4/3π(7)³ = 1436.8 cm³

The volume of the sphere is 1436.8 cm³