WAEC Agricultural Science 2020 Question 49

Question 49

Basic Agricultural Economics

A total of 12,000 kg of maize was demanded at N20 per kg while 8,000 kg of it was demanded at N30 per kg. What is the percentage change in quantity demanded?

  1. A.33%
  2. B.50%
  3. C.67%
  4. D.150%
Show the answer and explanation

Answer: A (33%)

Explanation

(12,000 − 8,000) ÷ 12,000 × 100 = 33%.