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Master | Next Rank: 500 Posts
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by cris » Sat Feb 02, 2008 10:46 am
If the speed of x meters per second is equivalent to y kilometers per hour, what is y in terms of x? (1km=1,000 meters)

Answer: [spoiler]18x/5[/spoiler]
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by sibbineni » Sat Feb 02, 2008 11:35 am
Given that

x meters/sec=y kilometers/hr

x m/sec=y km/60*60sec

since 1 km =1000metres

x m/sec=y 1000 metres/60*60 sec

x=y 5/18 m/sec

y=18x/5 m/sec

which is the answer

suggest me if iam wrong
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