Mathematics, 27.09.2019 11:30 makalanharrison

The cost c of hiring a lorry to travel n miles is given by c=a+bn. the cost of travelling 100 miles is £82. the cost of travelling 250 miles is £157. find the value of a and the value of b

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The cost c of hiring a lorry to travel n miles is given by c=a+bn. the cost of travelling 100 miles...

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