QUIZ 5

Mrs. Perez wants to upgrade her refrigerator. It cost $525 per year to make it work. The new one she will purchase for $1,900 will save her 43% annually in energy costs. How many years will it pay for itself?

• 8.39 years

• 8.40 years

• 8.41 years

Mr. Hernandez spent $4,234 on his water bill last year. He is opting for balanced billing for next year. What will his monthly payment be?

• 12 months

• $705.66

• $352.83

Last winter, the Moreno family used 1,200 gallons of oil at a price of $4.56 per gallon. If the price increases 2% next year.

Will $5,581.44 be the heating expenses for next year?

• True
• False

A certain electric mixer requires 645 watts per hour to work.

It works for 6 hours with a cost of $0.08 per kilowatt-hour.

Would it cost $.3096 to work?

• True
• False

Ricardo's November electrical bill listed two meter readings. The previous reading was 2,654 kWh and the present reading is 4,123 kWh. How much electricity did Ricardo's household use during the billing period?

• 4123 kilowatts

• 6777 kilowatts

• 2654 kilowatts

• 1469 kilowatts

Natural gas and water is measured in cubic foot

• True
• False

Electricity is measured in kilograms

• True
• False

Utilities are services such as electricity, natural gas, heating oil, television, phone Internet access, and water that are incurred while living in a home.

• True
• False

How many miles does a car traveling at 100 miles per hour go in 1/2 hour?

• 100 miles

• 50 miles

There are 5,280 feet in a mile.

How many feet does a car traveling at 63 mph go in 1 hour?

• 5,280 feet

• 63 feet

• 83.80 feet

• 332,640 feet