itshelga itshelga

17-01-2017
Mathematics

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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 is £82. The cost of travelling 250 miles is £157. Find the value of a and the value of b

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rihanna101Loverszz rihanna101Loverszz

17-01-2017

What are the multiple choices to choose from?

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