This is from an exam prep that provides the solution. I don't understand how they came up with 2*9. To me the solution should be 2*10 to reflect the +-5f0 = 10..
Ugh I am too far out of school to remember all this..Anyone?
Guys I was hoping someone could check my plan towards taking and getting the PE. I graduated from University of Houston with engineering degree but I have been working with engineers and doing much of what I think would be generally accepted "engineering" work. I recently moved to North Carolina...