This task is about calculating and comparing the cost of repairs from two companies.
Two washing machine repair firms charge for repairs in different ways.
- Nockem Hardware charge a standard $70 for a call out, and then $30 per hour for servicing.
- Bustum Services charge $40 for the call out, and then $35 per hour for servicing.
a)
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Show how to work out what Nockem Hardware would charge for a 2 hour repair.
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b)
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Show how to work out what Bustum Services would charge for a 2 hour repair.
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c)
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Show how to work out how many hours it would take to carry out a repair for which both companies charged exactly the same.
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d)
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Mrs Savi knows that her machine is badly damaged and will take 3 hours to fix.
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