JAMB - Economics (2019 - No. 51)
Let the quantity demanded in units of a particular commodity be represented as Qd = 80 - 2P, find the quantity demanded when P = ₦3.
70
47
74
40
Explanation
Qd = 80 - 2P
When P = 3
Qd = 80 - 2(3)
Qd = 80 - 6
Qd = 74
When P = 3
Qd = 80 - 2(3)
Qd = 80 - 6
Qd = 74
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