A man uses 900w electric iron to press his cloth for an average of 4hourd a week for 5weeks. If the cost of electrical energy is 30 kobo per unit. calculate the cost of energy for pressing
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Answer:
540k
Explanation:
The total amount of energy can be calculated as the product of the power and the time the iron worked.
The total amount of energy can be calculated as the product of the power and the time the iron worked.So the energy will be
900W • 4h • 5 = 18000 W • h = 18kWh.
Therefore, the cost will be
18kWh • 13k/kWh = 540k
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