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.?

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) (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

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