Georgina took 7 minutes to walk from the school to the park.She walked another 660 m at a speed of 55 m/min from the park to the shopping mall.Georgina walked a total distance of 1434.5 m.Find Georgina's average speed for the whole distance.
Question
Georgina took 7 minutes to walk from the school to the park.She walked another 660 m at a speed of 55 m/min from the park to the shopping mall.Georgina walked a total distance of 1434.5 m.Find Georgina's average speed for the whole distance.
Solution
To solve this problem, we need to find out the total time Georgina spent walking and the total distance she covered.
Step 1: Find out the time Georgina spent walking from the park to the shopping mall. The distance she covered from the park to the shopping mall is 660 m and her speed was 55 m/min. So, Time = Distance/Speed = 660 m / 55 m/min = 12 minutes.
Step 2: Find out the total time Georgina spent walking. She spent 7 minutes walking from the school to the park and 12 minutes from the park to the shopping mall. So, Total time = 7 min + 12 min = 19 minutes.
Step 3: Find out the total distance Georgina covered. The problem states that Georgina walked a total distance of 1434.5 m.
Step 4: Calculate Georgina's average speed. Average speed = Total distance / Total time = 1434.5 m / 19 min = 75.5 m/min.
So, Georgina's average speed for the whole distance is 75.5 m/min.
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