Answer the below question properly with full explanation.
In the new budget, the price of petrol rose by 10%. By how much percent must we should reduce the consumption so that the expenditure does not increase?
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let the budget. be x..
and price be y
ATQ
10 percentage of price will be y×10/100
x+y was the old budget
x+y/10is the new budget
so if we increase expenditure by 10 times
so x/10+y/10 =x+y
ti may help u