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Wind Power Math

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A home uses 10,000 kWh per year. They currently have power supplied by coal, which costs 8 cents per kWh.

If they are able to use electricity supplied by the new local wind farm, which is cheaper at 6 cents per kWh, how much money should the family save each year?

A

$800

B

$600

C

$200

D

$3000

E

$20