The demand for beans in bags is given by the function Q - 36 +
ECONOMICS
WAEC 2007
The demand for beans in bags is given by the function Q - 36 + 0.4P = 0. Where P is price in naira and Q is quantity.
Find Q when P = 20 naira.
- A. 12 bags
- B. 24 bags
- C. 28 bags
- D. 30 bags
Correct Answer: C. 28 bags
Explanation
Q - 36 + 0.4P = 0
Q = 36 - 0.4(20)
36 - 8 = 28
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