john drove South 120km at 60km/h and then east 150 km at 50km/h a) average speed
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bro sorry maaf kar dena its too difficult for me to answer this question..... i apologize for this..
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Answer:54km/h
Step-by-step explanation:
Speed= Distance/ time
Total distance = 270km
Time= 5H
Speed= 270km/5H
= 54km/h
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