You are comparing two refrigerator models. Their annual electricity consumption is shown below. Assume that the cost of electricity is $0.12 per kilowatt-hour (kWh). To the nearest dollar, how much money would you save annually in electric bills if you bought the top-freezer refrigerator?

Top-Freezer Refridgerator: 529kWh/yr

Side-by-Side Refridgerator: 634 kWh/yr

13

13

13

13

13

13

13

13

13

13

13

13

Savings = $13

Step-by-step explanation:

$0.12 = 1 kilowatt-hour

So,

For Top-Freezer Refridgerator:

$0.12 * 529 = 1 * 529 kilowatt-hour

$63.48 = 529 kilowatt-hour

For Side-by-Side Refridgerator:

$0.12 * 634 = 1 * 634 kilowatt-hour

$76.08 = 634 kilowatt-hour

Savings = Side-by-Side Refridgerator - Top-

Freezer Refridgerator

Savings = $ (76.08 - 63.48)

Savings = $12.6

Savings = $13