Math, asked by shrusti0872, 4 days ago

need the explanation ​

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Answered by dharaneeshp84
2

Answer:

given

covered distance by a runner is 3.5km/h

in 7m

we know that,

1m=60second

7m=420second

1km=1000m

3.5km-3500m

So,

speed=D/T

=3500/420*18/5

= 30km/h

hence the speed of runner is 30km/h

Step-by-step explanation:

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