The data for feed consumption and weight gain of our four farm animals labelled P,Q,R and S are shown below.
Use the data to answer this question correctly.
P: 50kg feed consumed and 20kg weight gained.
Q: 90kg feed consumed and 30kg weight gained.
R: 100kg feed consumed and 25kg weight gained.
S: 150kg feed consumed and 30kg weight gained.
The feed conversion efficiency of the poorest weight gainer is
0.40
0.33
0.25
0.20
Correct answer is D
No explanation has been provided for this answer.