SOLUTION: What measure of angle is swept by the minute hand during the duration of a class if the class starts at 2:16 P.M. and ends at 2:47 P.M.?

Algebra ->  Equations -> SOLUTION: What measure of angle is swept by the minute hand during the duration of a class if the class starts at 2:16 P.M. and ends at 2:47 P.M.?      Log On


   

Question 247058: What measure of angle is swept by the minute hand during the duration of a class if the class starts at 2:16 P.M. and ends at 2:47 P.M.?
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


It takes 60 minutes for the hand to go around a 360 degree circle. 2:16 to 2:47 is 31 minutes. Just set up a proportion:



You can just solve this by cross-multiplying the way it is, but it is easier arithmetic if you reduce first:




John