Answer:
Y=38.8
Y will increase by 38.8
Y=246+38.8
Y=284.8
Explanation:
Y=A. F(K, L)
Y=A. K^0.3, L^0.7
Then
Y=246
A=1
K=2000
N or L=100
Solutions
200=1(2000^0.3, 100^0.7)
Now the question says both k & N are increased by 0.20
Therefore
Y=1(2400^0.3, 120^0.7)
Y=1(10.3 + 28.5)
Y=38.8