11.1 Utility Expenses Review (Algebra w/ Business Applications)

Front

What are expenses for electricity, natural gas, heating oil, and water called?

Back

utilities

Front

Electricity is sold by the: cubic foot, watt, kilowatt-hour, watt-hour

Back

kilowatt-hour

Front

ccf is measured by:

Back

100 cubic ft.

Front

How many kWh of electricity are indicated by the dials?

Back

46,462 kWh

Front

Jessica's April water bill showed two meter readings. The earlier reading was 4,582 ccf and the later reading is 4,715 ccf. How much water did Jessica's household use during the billing period?

Back

133 ccf

Front

Mr. Denton's last water bill listed a previous reading of 1,209 ccf and a present reading of 1,417 ccf. His water company charges $0.53 per ccf of water. What should Mr. Denton have been charged on his last water bill?

Back

$110.24

Front

A particular microwave oven uses 1500 watts when operating. How much would it cost to run this microwave for 40 minutes, at a cost of $0.15 per kWh?

Back

$0.15

Front

Last year, the Lawson family spent $1,882.56 for electricity. They are opting to use balanced billing for the next year. What will their monthly payment be under balanced billing?

Back

$156.88

Front

The Smiths' old refrigerator cost them $600 per year to run. The new one they purchased for $1200 will save them 20% annually in energy costs to run it. In how many years will it pay for itself?

Back

10 years