SOLUTION: Traveling from Los Angeles to San Diego, Peter drove 30 miles at 30 miles per hour, 35 miles at 70 miles per hour, and 40 miles at 60 miles per hour. What was his average speed for

Question 370660: Traveling from Los Angeles to San Diego, Peter drove 30 miles at 30 miles per hour, 35 miles at 70 miles per hour, and 40 miles at 60 miles per hour. What was his average speed for the whole trip?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!



Hi,

30 miles at 30 mph, 35 miles at 70 mph, and 40 miles at 60 mph

average speed for the whole trip

30*30 + 35*70 + 40*60 / 105 = 54.762mph , the average speed for the whole trip

 

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