problem solving
posted by Jam .
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 21 minutes requires 12.6 gallons of water. Find the amount of water used for a shower lasting 10 minutes.

problem solving 
Ms. Sue
Cross multiply and solve for x.
21/12.6 = 10/x
Respond to this Question
Similar Questions

Environmental Science
Which of the following is one way that a person can conserve water? 
science
Austin took a shower from 7:56 to 8:08 and used sixty gallons of water. Assuming the same rate of water usage, how much water would Austin have saved if he had taken a quick sixminute shower? 
problem solving
Suppose water flows from a shower at a rate of 0.38 cubic feet per minute. Do you use more water by taking a 14minute shower or by filling a bathtub with 0.6 cub yards of water, and by how much? 
math
Suppose water flows from a shower at a rate of 0.32 cubic feet per minute. Do you use more water by taking a 12minute shower or by filling a bathtub with 0.4 cubic yards of water, and by how much? 
chemistry
Suppose that your morning shower is 7 minutes long and uses 4 gallons of water per minute that is a nice 102 F in temperature. How much energy (kJ) must be used to heat the water for your shower if the water coming into your house … 
5th grade math
It takes Marty 1 1/4 hours to get ready for school. If 1/5 of that time is used to shower, what fraction of an hour does it take him to shower? 
English
What can we do to save water? 1. We can turn off the water when we are not using it. 2. We can turn off the water when we are brushing teeth. 3. We can use only a little water when we wash face. 4. We can use a little water when we 
Math
It takes Marty 1 1/4 hours to get ready for school. If 1/5 of that time is used to shower, what fraction of an hour does it take him to shower? 
Math
Karen wanted to find out how much waster was used when taking a bath and when taking a show. Karen found the dimensions of the tub filled with enough water to take a bath was 1.7 meters x 1 meters x 0.46meters and that the shower uses … 
Math
Julie wants to find out how much water was used when taking a bath and when taking a shower. Julie found the dimensions of the tub filled with enough water to take a bath was 48 inches x 38 inches x 16 inches and that the shower uses …