A. 66.7
B. 0.5
C. 1.5
D. 2.0
Correct Answer:
Option D – 2.0
Explanation
change in price = 120- 80 = 40
change in quantity = 500 – 300 = 200
% change = 40/100 = 0.4
200/100 = 2
0.4/2 = 0.2
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