3 years ago

When servicing a heating boiler and radiators, a plumber knows that the time

1 answer:

3 0

£110 as 45mins times 4 radiators divided by 60 mins =3 hours

3 hours + 1 hour = 4 hours
4 hours times £20= £80
£80+£30=£110

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Marianna [84]

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valentinak56 [21]

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Cerrena [4.2K]

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