If the price of petrol increases by 19%, and Sunitha intends to spend only an additional 12% on petrol, by what percent should she reduce the quantity of petrol purchased (nearest to an integer)?
Let the price of petrol be Rs.100 and Sunitha spent Rs.100.
After increment price of petrol = 119
Expenditure of petrol = 112
Reduce quantity of petrol = $$\frac{119 - 112}{119} \times 100 = \frac{7}{119} \times 100$$ = 5.88 ~ 6%
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