Using the Taylor Equation for tool life and letting n = 0.5 and C = 120, calculate the percentage increase in tool life when the cutting speed is reduced by 50%.

Using the Taylor Equation for tool life and letting n = 0.5 and C = 12

1.	Using the Taylor Equation for tool life and letting n = 0.5 and C = 120, calculate the percentage increase in tool life when the cutting speed is reduced by 50%.
A.	100%
B.	200%
C.	300%
D.	400%
Answer» D. 400%