Problema Solution
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 9 gallons of water. Find the amount of water used in a shower lasting 6 minutes.
Answer provided by our tutors
w = km
9 = 18k
9/18 = k
1/2 = k
w = 1/2(m)
w = 1/2(6)
w = 3
3 gallons of water are used