Question

Steven charges the following for repairing washing machines:
£24 call out charge + £14 for each half and hour he spends on the repair
If a repair costs a customer £66 how long did it take?

Answer 1

it took One & Half Hour to repair the machine

Step-by-step explanation:

£24 call out charge + £14 for each half an hour he spends on the repair

Let say it took  x half hrs

Charges of x  half hour =  £14x

£14x + £24 = £66

=> £14x = £42

=> x  = 3

3 Half hrs  =  One & Half Hour

it took One & Half Hour to repair the machine

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