The price o petrol rose by 10%. By how consumption should be reduced so that expenditure does not increase.

The price of petrol rose by 10%. By how consumption should be reduced so that expenditure does not increase.

Price of sugar rises by 20% By how much percent should the consumption of sugar be reduced so that the expenditure does not change?

If the price of a commodity be raised by 20% then by how much per cent a house holder reduce his consumption of the same commodity so that his expenditure does not increase.

The price of an article is increased by 20% .By what percentage must its consumption be reduced so that the expenditure on it reduces by 10% ?

The price of sugar rises by 50%. By what fraction a family reduces the consumption of sugar,so that expenditure does not increase?