Question

due to increase in the price of sugar by 25% by how much percent must a householder decrease the consumption of sugar so that there is no increase in the expenditure of sugar​

Answer 1

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20% ✔

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Let the price before increase be Rs.100

Then , as the percentage increase =25%

Therefore,

increase in price =(25/100)×100 =Rs.25

Therefore,

increased price =Rs.125

Therefore the percentage by which house wife should decrease the consumption be ( 25/125)×100%  =20%