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33 votes
33 votes
Electricity cost 10p how much will it cost to use a 85w laptop and a 60w lamp for an hour

User Kirschstein
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1 Answer

16 votes
16 votes

Answer:

Step-by-step explanation:

usually electricity is sold in the units of kWh, which I will ASSUME is the case here.

85 W (1 kW/1000W)(1hr)(10 p) = 0.85p

60 W (1 kW/1000W)(1hr)(10 p) = 0.60p

together they would cost 1.45 p

which would be rounded down to 1 p

User Rauld
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