Question

use proportions to solve the following problem.

the water rate for a city in north carolina is \\$1.38 per 759 gallons of water used.
a) what is the water bill if a resident of that city uses 30,000 gallons?
b) how many gallons of water can a customer use if the water bill is not to exceed \\$140?

a) the water bill for using 30,000 gallons of water is \\$ .
(type an integer or a decimal. round to the nearest cent as needed.)

Explanation:

Set up the proportion for part (a)

Using the Linear Equations and Solving Linear Equations knowledge points

$$
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Round the water bill to the nearest cent

Using the Linear Equations knowledge point

$$ x \approx \$54.55 $$

Set up the proportion for part (b)

Using the Linear Equations and Solving Linear Equations knowledge points

$$
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$$

Answer:

Question a

The water bill for using 30,000 gallons of water is $<blank>54.55</blank>.

Question b

How many gallons of water can a customer use if the water bill is not to exceed $140? <blank>77,000</blank> gallons.