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jacobever6752
19.11.2020 •
Physics
A person walks 100m in 5
minutes, then 200m in 7
minutes and finally 50m in
4 minutes. Find their
average speed.
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Ответ:
Or
1,221.43 per hour
100/5=20
200/7= 28.57
50/4= 12.5
20+28.57+12.5= 61.07
61.07/3= 20.35m per minute
Or
20.35 x 60= 1,221.43m per hour
Ответ:
The total number of students is > 160.
The percent as a part-to-whole ratio is StartFraction 10 Over 100 EndFraction.
There are 1,600 students in the school.
Step-by-step explanation:
got is correct