This task is about working out costs for charging an electric car.
The battery of Mrs Henare's electric car holds 40 KWh (kilowatt-hours) of energy.
One KWh costs 91.9 cents.
| a) |
If Mrs Henare's battery already had 15 KWh of energy, how much would it cost to fully charge it? $ __________ |
| b) |
Mrs Henare noticed that she had used three-quarters of her charge. How much will it cost her to fully charge the battery? $ __________ |
| c) |
If Mrs Henare then used $18.38 worth of energy from the full battery, how many KWh would she have left? __________ KWh |