A total of 12000kg of maize was demanded at N20 per kg while 8000kg of it was demanded at N30 per kg. What is the percentage change in quantity demanded? By: Sunday|Published on: Apr 11|Categories: Agricultural Science WAEC| 0 comments A. 33% B. 50% C. 67% D. 150% Correct Answer: Option A = 33% Users Also Read These:When the quantity of a commodity supplied increases…What quantity would be demanded when the price (P) is $3?If a given change in price brings a proportionately…When a change in price does not affect the quantity…If the quantity demanded of a commodity increases…SEE ALSO Which of the following sources of power supply to the farm is most unreliable?