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Mathematics 36 Online
OpenStudy (anonymous):

The cost of hiring a car is given by the formula, cost=number of days hire x 45+60 Use this formula to work out the cost of hiring a car for 6 days. Write a formula for the cost, C, of hiring a car for n days

OpenStudy (ribhu):

6*45+60 = 330 C=n*45+60

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