Answer:
7.14 km/h
Explanation:
find out how many meters per minute it is going.
70×2 =140
140 meters per minute
THere are 1000 meters in one kilometer so you would do 1000÷140.
THe answer for 1000÷140 is 7.142, your final answer.
8400 km/hr
70+70= 140 which is for one minute. Multiple 140 by 60 (60 min in a hour) to get 8400
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