Turning a screwdriver 90^\circ will drive a screw 3\:mm deeper into a piece of wood. How many complete revolutions are needed to drive the screw 36\:mm into the wood?
Answer Choices
A. 3
B. 4
C. 6
D. 9
E. 12
Turning a screwdriver 90^\circ will drive a screw 3\:mm deeper into a piece of wood. How many complete revolutions are needed to drive the screw 36\:mm into the wood?
Answer Choices
A. 3
B. 4
C. 6
D. 9
E. 12