PH-1993
Cost of electricity
Physics · Secondary 4 · Medium · Cost of electricity
A washing machine is rated at 800 W. It runs for 1.5 hours each day. Electricity costs \$0.25 per kWh. What is the cost of running the machine for 10 days?
- \$3.00
- \$4.80
- \$30.00
- \.20
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