Question

Due to an increase in the price of sugar by 25%
by how much per cent must a householder decrease the consumption of sugar so that there is no increase in the expenditure on sugar?
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Answer 1

Let the consumption of sugar be 100kg and its price be=₹100

Then, the new price of 100kg sugar=₹125NowNow,if ₹125 can fetch 100kg sugar

Then,₹100 can fetch[100÷125×100] kg sugar=80 kg sugar

Reduction in consumption=[100-80]%= 20%

Answer 2

Answer:

Soln:-

If the price is increased by x℅ ,then keeping the expenditure unchanged ,the consumption is reduced by x/(100+x) ×100℅

=25/(100+25) ×100℅

=25/125 ×100℅

=20℅

Step-by-step explanation: