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AP® Environmental Science

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Calculating Energy Used

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A student watches a television that uses 500 watts.

If the student watches the television for two hours each day for three years, and energy costs \$0.10 per kilowatt-hour​, how much will it cost the student to watch the television over the three year period?

A

$55.00

B

$109.50

C

$158.50

D

$210.00

E

$380.25