On a trip, a motorist purchased gasoline as follows: 56 litres at $1.180 per litre; 60 litres

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On a trip, a motorist purchased gasoline as follows: 56 litres at $1.180 per litre; 60 litres at $1.246 per litre; 70 litres at $1.278 per litre; and 54 litres at $1.335 per litre.

(a) What was the average number of litres per purchase?

(b) What was the average cost per litre?

(c) If the motorist averaged 8.75 km per litre, what was the average cost of gasoline per kilometre?


Solve each of the above problems involving an arithmetic average.

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Contemporary Business Mathematics With Canadian Applications

ISBN: 9780135285015

12th Edition

Authors: Ali R. Hassanlou, S. A. Hummelbrunner, Kelly Halliday

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