When the price of a pressure cooker was increased by 15 %, the sale of pressure cooker decreased by 15 %. What was the net effect on the sales?

No effect

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15 % increase

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2.25 % increase

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2.25 % decrease

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Solution

The correct option is C 2.25 % decrease
$\frac{a^{2}}{100} = \frac{(15)^{2}}{100} = \frac{225}{100} = 2.25 %$ decrease

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When the price of a pressure cooker was increased by 15 %, the sale of pressure cooker decreased by 15 %. What was the net effect on the sales?

The correct option is C 2.25 % decreasea2100=(15)2100=225100=2.25% decrease

The correct option is C 2.25 % decrease
$\frac{a^{2}}{100} = \frac{(15)^{2}}{100} = \frac{225}{100} = 2.25 %$ decrease