Josh finds that his new ball fits tightly inside his cylindrical can of diameter 6 inches and height 5 inches. What is the exact amount of empty space is there inside the can?

The exact amount of empty space is  

Step-by-step explanation:

we know that

To find out  the exact amount of empty space, subtract the volume of the ball from the volume of the cylindrical can

step 1

Find the volume of teh ball

The volume of the sphere (ball) is given by

we have

---> the radius is half the diameter

substitute

step 2

Find the volume of the cylinder

The volume of the cylinder is given by

we have

---> the radius is half the diameter

substitute

step 3

Subtract the volumes

your answer is the frist one

hop i

question: how many people can she serve?

answer: she can serve 16.66666667 people. so she can only give 16 people a complete serving.

question: does she have enough ice cream for her guests?

answer: no. explanation: she only has enough for 16 people to have a full serving. however, she can give a 17th person a partial serving.