SC-1233
Energy transfer
Lower Sec Science · Secondary 2 · Hard · Energy transfer
A 1000 W microwave oven is used for 15 minutes each day. The electricity tariff is \$0.25 per kWh.
Calculate the cost of using the microwave for 30 days.
Calculate the cost of using the microwave for 30 days.
- \.88
- \$0.75
- \$7.50
- \8.75
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