Answer:
1.29
Step-by-step explanation:
Percentage change in quantity demanded = (4 - 3) ÷ ((4 + 3)/2) = 0.285714285714286
Percentage change in price = (25,000 - 20,000) ÷ ((20,000 + 25,000)/2) = 5,000/20,000 = 0.222222222222222
Absolute value of the price elasticity of demand = 0.285714285714286 ÷ 0.222222222222222 = 1.29