Question: Topic: Average Speed Question and metod written in pic. plz write explained answer Q. In Worked example 13, Huixian did this calculation: Average speed: 40+60/2=

Topic: Average Speed Question and metod written in pic. plz write explained answer

Q. In Worked example 13, Huixian did this calculation: Average speed: 40+60/2= 50km/h How would you explain to Huixian why she is wrong? To find put average speed, we need the distance for all parts of the journey and time taken for all parts of the journey. Then find total distance and total time in formula. But huixian calculated average speed by adding both the speeds and divided by 2. Which is a wrong approach. We use this approach to find average for other values like numbers etc, but not for average speed as it has a proper formula

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