please answer the question
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The answer is Option (1)
Explanation:
Average speed = Total Distance/ total time
d1 = v1 t1
d2 = v2t2
d3 = v3t3
Average speed = d1 + d2 + d3/t1 + t2 + to
=(v1t1 + v2t2 + v3t3)/t1+t2+t3
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