Mathematics, 12.03.2020 22:06, KindaSmartPersonn

When wiring a house, an electrician knows that the time she will take is given by the formula
Time = 2 hours + 12 minutes per lightswitch
She charges her customers a call out fee of £35 plus £30 per hour. How much should a customer be charged for wiring a house with 10 lightswitch especially?

Answers: 3

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When wiring a house, an electrician knows that the time she will take is given by the formula
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