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year 20×8 20×9
total expenditure on aviation fuel $m 600 1,440
total distance flown km million 4,200 4,620
fuel price index 120 240the following statements relate to the changes between 20×8 and 20×9
the answer is that the quantity of fuel consumed increased by 20%
pls, help me solve this i tried hard to get it right but i could not.
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