Question

The water rate for a city in North Carolina is $1.38 per 757 gallons of water used.

A. What is the water bill if a resident of that city uses 40,000 gallons?

B. How many gallons of water fan a vustomer use if the eater bull is not to exceed $140!

Answer 1

Solution:

Water rate in North Carolina is $1.38 per 757 gallons of water used

a)

Water bill if a resident of that city uses 757 gallons of water = $1.38

Water bill if a resident of that city uses 40000 gallons of water :

Therefore, water bill is 73 dollars if a resident of that city uses 40000 gallons.

b)

Let's says water bill is $140

if water bill is $1.38, amount of water used = 757 gallons

if water bill is $140, amount of water used:

Therefore, 76797 gallons of water a customer must use so that bill does not exceed $140.