A viscous fluid is flowing through a small tube at a rate of 0.400 
If the pressure difference between one end of the tube and the other is tripled, the length is doubled and the radius is also doubled, then what is the rate of flow of the fluid?
A. 9.6 
B. 10.2 
C. 12.00 
D. 14.2
E. 15.5
A. 9.6
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