SOLUTION: Solve. 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 22 minutes requires 13.2 gallons of w

Question 978383: Solve.
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 22 minutes requires 13.2 gallons of water. Find the amount of water used in a shower lasting 11 minutes.
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39625) (Show Source): You can put this solution on YOUR website!
22=13.2*r because the constant of variation in this case is a rate, so choosing r just to be helpful in naming.

The question:

Answer by MathTherapy(10555) (Show Source): You can put this solution on YOUR website!

Solve.
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 22 minutes requires 13.2 gallons of water. Find the amount of water used in a shower lasting 11 minutes.

the time (11 minutes), so the amount of water. of 13.2 is: gallons
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