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? O
(Hint: The average cost for tap water is $0.002/gallon.)
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? 48.00
b. How much water was used to make the bottles?3,700

At river bank, checking account customers earn 0.75% interest a month on their account balances, pay no service fees for writing checks, and pay a monthly $2.00 financial charge. calculate the income earned in one month on the checking account for a customer with an account balance of $1,000. a. $4.25 b. $5.50 c. $6.75 d. $7.25 checking account earnings at baker’s bank are expressed by the equation: i = -0.09x + 10.2. while the earnings at elite bank are modeled by: i = -0.02x + 7.5. in both cases, x is the number of checks written. at what number of checks will elite bank start generating more checking account income than baker's bank? a. 12 b. 25 c. 39 d. 42 emilio’s checking account had a balance of 728.32 at the beginning of the week. he wrote checks for the following amounts throughout the week: $99.48, $33.50, $18.23, and $72.05. he also deposited his paycheck in the amount of $1,109.90. what is his account balance at the end of the week? a. $1,192.35 b. $1,222.86 c. $1,540.52 d. $1,614.96