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WAEC Economics 2024 Paper

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Question : 9

Total: 50

If the quantity demanded of rice de- creased from 150 bags to 100 bags, the percentage change in quantity demanded is

30.0 %
33.3 %
50.0%
66.7%

Solution:

% change in quality demanded

$\frac{QD_o - QD_n}{QD_o}$ x 100%

$\frac{150 - 100}{150}$ x 100% = 33.3%

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