Suppose a school provides bottled water to its students. The average student drinks 85 gallons
of water during the school year at an average cost of $1 per gallon. If the same amount of water
had come from a water fountain instead, how much money would the school have saved
per student? A ll (Hint: The average cost for tap water is $0.002/gallon.)
(Hint: The ave
Read the following, then answer the questions below (Hint: Round to the nearest tenth):
A school gives away 3,200 gallons of bottled water over the year.
Approximately 0.018 gallons of oil is used to produce each gallon-size bottle.
One gallon of oil costs $1.50.
Two gallons of water are used to make each bottle.
a. In all, how many gallons of oil were used to produce 3,200 gallons of bottled
water? At what cost? 48.000
b. How much water was used to make the bottles?3,200
Suppose 25% more bottled water is given away the following year, and the price of oil
increases to $1.76 per gallon. How many additional gallons of oil would be used?
What would be the new total cost of the oil used to produce all the bottles?
2.3
103