Question:If the price of tea is increased by 20%, find by how much percent must a householder reduce her consumption of tea so as not to increase the expenditure ?
Answer Reduction in Consumption = `{ R/(100+R) xx 100}` % =`(20/120 xx 100)` % = `16 2/3` %.
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If the price of tea is increased by 20%, find by how much percent must a householder reduce her consumption of tea so as not to increase the expenditure ?