Question

If the price of tea goes up by 33%, what should be the percentage by which its
consumption must be reduced so that the expenditure on it remains unchanged?​

Answer 1

Answer:

Increased price of the tea = 100 + (20% of 100) = 100 + 20 = Rs 120. Tea of cost Rs 20 is to decreased out of the increased cost of Rs 120. Percentage decrease = (20/120) x 100 = 100/6 = 16 2/3 %. hence , the consumption of 16 2/3% of tea is to be decreased so that the expenditure on tea remains the same.

Answer 2

Answer:

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Step-by-step explanation:

Let the original price of the tea be Rs 100.

The price of the tea is increased by 33%.

Increased price of the tea = 100 + (33% of 100) = 100 + 33 = Rs 133.

Increase in price = 133 - 100 = Rs 33

Tea of cost Rs 33 is to decreased out of the increased cost of Rs 133.

Percentage decrease = (33/133) x 100 = 24.81%

hence , the consumption of 24.81% of tea is to be decreased so that the expenditure on tea remains the same.