The price of one kilogram sugar is Rs. 200. The price has increased by 25%. What percentage of sugar intake be decreased so that, there would be no increase in the expenditure?
Answer: 20%
Explanation
Let's break it down:
Original price per kg = Rs. 200
Increased price per kg = 200 + (25% of 200) = 200 + 50 = Rs. 250
To keep expenditure the same, let's assume original consumption is 1 kg, and new consumption is x kg.
Original expenditure = 200 * 1 = Rs. 200
New expenditure = 250 * x = Rs. 200
x = 200 / 250 = 0.8 kg
Percentage decrease in consumption = ((1 - 0.8) / 1) * 100% = 20%
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