Shyam while driving to school, computes the average speed for his trip to be 20km/h. On his return trip along the same route, there is less traffic and the average speed is 30km/h.what is a average speed of shyam's trip?
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=(20+30)÷2
=50÷2
=25km/hr
=50÷2
=25km/hr
Mihika003:
How
Which formula you have used
?????
average speed =sum of speeds ÷ 2
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