If the price of rice is raised by 20%, then by what percentage should a person reduce his consumption of...
17. If the price of rice is raised by 20%, then by what percentage should a person reduce his consumption of rice so that his expenditure remains the same? (correct to one decimal place)
(1) 14.7%
(2) 16.7%
(3) 12.7%
(4) 18.7%
(1) 14.7%
(2) 16.7%
(3) 12.7%
(4) 18.7%

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