please explain gmat prep question

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please explain gmat prep question

by yvonne12 » Sun Mar 04, 2007 12:29 pm
if the spedd of x meters per second is equivalent to the speed of Y kilometer per hour what is y in terms of x?

ans . 18x/5

please explain

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Re: please explain gmat prep question

by gabriel » Mon Mar 05, 2007 2:03 am
yvonne12 wrote:if the spedd of x meters per second is equivalent to the speed of Y kilometer per hour what is y in terms of x?

ans . 18x/5

please explain
Y km/hr= Y*1000/3600 m/s=x....

therefore... Y*5/18 = x....... therfore Y= 18*x/5

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by yvonne12 » Mon Mar 05, 2007 8:16 am
gabriel,I dont understqnd your explaination.

please explain in detail.

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by yvonne12 » Mon Mar 05, 2007 5:13 pm
I understand now. thanks again