Question

Marco leaves the bathroom faucet running for 22 minutes while he gets ready in the morning. Running the faucet for 5 minutes wastes the same amount of energy as leaving a 60-watt light bulb on for 14 hours. How much energy did Marco waste, in terms of hours which a 60-watt light bulb would remain on? a. 7. 9 hours b. 61. 6 hours c. 56. 0 hours d. 264. 0 hours Please select the best answer from the choices provided A B C D.

Answer 1

The energy Marco waste, in terms of hours which a 60-watt light bulb would remain on is: b. 61. 6 hours.

First step is to calculate the rate

Rate=14 hours / 5  minutes

Rate=2.8 hours/minute

Second step is to calculate how much energy did Marco waste in 6 hours

Energy waste in hours=22 minutes × 2.8 hours/minute

Energy waste in hours=61.6 hours

Inconclusion the energy Marco waste, in terms of hours which a 60-watt light bulb would remain on is: b. 61. 6 hours.

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