Answer:

Step-by-step explanation:
Given
Empty Tank

When filled with water, the height is:

Required
Determine how many more cubic inches needed
First, we calculate the difference between the height of the tank and the height of the water.


The volume of water to full the tank is then calculated as:



Answer:
c
Step-by-step explanation:
Answer:
4
Step-by-step explanation:
Sub both sides by 3 then describe 20 by 5.
Answer:he will use 45 minutes to burn 540 calories . he spend a total of 50 minutes ie including 5 minutes of rest.
Step-by-step explanation: 1 minute burns 12 calories
Therefore 540÷12 = 45 minutes plus 5 minutes of rest = 50 minutes.