The price of petrol goes up by 10%. By how much percent must a motoris – InterviewSolution

1.	The price of petrol goes up by 10%. By how much percent must a motorist reduce the compsumption of petrol so that the expenditure on it remains unchanged?
Answer» The price of petrol goes up by 10%. By how much percent must a motorist reduce the compsumption of petrol so that the expenditure on it remains unchanged?

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