Question

7. If the price of petrol be raised by 12.5%, find by what percentage should a consumer decrease the consumption of petrol so that there is no change in his monthly expenditure on petrol ?​

Answer 1

Answer:

hi

Step-by-step explanation:hi

Answer 2

Answer:

11.11%

Step-by-step explanation:

increase in price ihn %=12.5%

decrease in percent of consumption= %change/(100+%change) *100

=12.5/112.5   *  100=11.11%