D. 80 seconds po
longest second po
Answer:
C . 70 seconds
explanation :
It will take 83.3 seconds only if a and b's average rate of walking is 3m/s, but there's 2m/s so it will be around 70 seconds
#carryonlearning <3
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Answers & Comments
D. 80 seconds po
longest second po
Answer:
C . 70 seconds
explanation :
It will take 83.3 seconds only if a and b's average rate of walking is 3m/s, but there's 2m/s so it will be around 70 seconds
#carryonlearning <3