PH-2032
Cost of electricity
Physics · Secondary 4 · Medium · Cost of electricity
A machine is rated "" and is used for 5.0 hours each day.
If electricity costs \$0.30 per kWh, what is the cost of running the machine for 20 days?
If electricity costs \$0.30 per kWh, what is the cost of running the machine for 20 days?
- \$3.00
- \$7.50
- \5.00
- \$30.00
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