The amount of water used to take a shower is directly proportional to the amount of time that the shower is in use. A shower lasting 18 minutes requires 10.8 gallons of water. Find the amount of water used in a shower lasting 4 minutes.

The answer to your question is 2.4 gallons of water.

Explanation:

Data

Volume = time

10.8 gallons = 18 min

x                   = 4 min

Process

1.- Write a proportion to solve this problem

                  10.8 gallons 18 min

                    x    gallons   4 min

2.- Simplification

                    x = (4 x 10.8) / 18

                    x = 43.2 / 18

3.- Result

                    x = 2.4 gallons                    

it is important to conserve water because there is very limited amount of freshwater here on earth and if we are not smart about how we use it we will only be runnning out of our supply faster than neccessarry.