Question

The amount of water used to take a shower is directly proportional to the amount of time. A shower lasting 18 minutes requires qw gallons of water. Find the amount of water in a shower lasting 6 minutes

Answer 1

18 minutes=gw gallons

  18minutes        6 minutes
__________ = __________
 gw gallons          x gallons

cross multiply
18x=6gw
divide both sides by 18
x=6/18 gw
simplify
x=1/3 gw

Answer= 1/3 gw

Answer 2

1/3 gw gallons of water is in the shower lasting 6 minutes