If the price of rice has increased from Rs 40 per kg to Rs. 60 per kg, by how much percent a person has to decrease his consumption so that his expenditure remains same.

Let the consumption be 100 kg. When price is Rs.40 per kg, then the expenditure = 100 `xx` 40 = Rs. 4,000. At Rs.60 per kg, the 60`xx` consumption = 4000 Consumption = `4000/60` = 66.67 kg. [if gte msEquation 12]>

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