Two girls starting from the same place , are ata distance of 62.4kms after running for 4hr in the opposite direction. If the speed of one of the girl is 7kmph, what is the speed (km/hr) of the second girl?
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3
Answer:
Lets consider GIRL A And GIRL B
Speed of one girl is 7 km/h if she runs for 4 hours then it become 7*4=28km.
Subract the 28km from 62.4kms
Therefore 62.4 - 28 = 34.4kms remaining.
Divide 34.4kms by 4 hours
Therefore 34.4 / 4 = 8.6 kmph of the girl B.
The speed of the girl B is 8.6kmph.
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0
Answer:
S2=8.6km/h
Step-by-step explanation:
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