Math

A man traveled to his country home, a distance of 150 miles and then back. His average rate of speed going was 50 miles an hour and his average return speed was 30 miles per hour. His average rate of speed for the entire trip was:

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  1. avg= total distance/total time= 300/(3hrs+5hrs)=300/8 miles/hr

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    bobpursley
  2. 12 hours and 30 minutes

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