17 degrees 40 minutes divided by 3 equals _ _ _ _ _ _ seconds;

129 degrees 5 minutes 40 seconds -78 degrees 25 minutes equals _ _?

176 degrees and 52 minutes divided by 3 (accurate to the minute) equals _ _ _ _?

Answer: 1. 17 degrees 40 minutes equals 53/3 degrees, divided by 3 equals 5 8/9 degrees, 8/9 degrees *60 equals 53 1/3 minutes, 1/3 minutes *60 equals 20 seconds.

So 17 degrees 40 minutes divided by 3 equals 5 degrees 53 minutes 20 seconds.

2. (ditto) 129 degrees, 5 minutes and 40 seconds equals 129 and17180 degrees, and 78 degrees and 25 minutes equals 78 and 5/ 12 degrees, so the subtraction equals 50 and 612 degrees.

3. (ditto) 58 degrees, 57 minutes and 20 seconds