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If a rocket can travel

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If a rocket can travel [#permalink] New post 12 Jul 2018, 08:36
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Question Stats:

44% (01:21) correct 55% (00:49) wrong based on 9 sessions
If a rocket can travel \(\frac{x}{5}\) miles every y seconds, how many miles can it travel in z minutes?

A. \(\frac{xy}{5z}\)

B. \(\frac{xz}{5y}\)

C. \(\frac{xyz}{6}\)

D. \(\frac{12xy}{z}\)

E. \(\frac{12xz}{y}\)
[Reveal] Spoiler: OA

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Re: If a rocket can travel [#permalink] New post 12 Jul 2018, 19:28
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Carcass wrote:
If a rocket can travel \(\frac{x}{5}\) miles every y seconds, how many miles can it travel in z minutes?

A. \(\frac{xy}{5z}\)

B. \(\frac{xz}{5y}\)

C. \(\frac{xyz}{6}\)

D. \(\frac{12xy}{z}\)

E. \(\frac{12xz}{y}\)



Here,

in y secs the rocket travel = \(\frac{x}{5}\)

So in 1 sec the rocket travel = \(\frac{x}{{5 * y}}\)

Therefore in 60z secs the rocket travel = \(\frac{x}{{5 * y}} * 60z = \frac{{12xz}}{y}\)

** z minute = 60z secs
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Re: If a rocket can travel [#permalink] New post 20 Jul 2018, 09:51
Carcass wrote:
If a rocket can travel \(\frac{x}{5}\) miles every y seconds, how many miles can it travel in z minutes?

A. \(\frac{xy}{5z}\)

B. \(\frac{xz}{5y}\)

C. \(\frac{xyz}{6}\)

D. \(\frac{12xy}{z}\)

E. \(\frac{12xz}{y}\)



In y sec rocket travel x/5 miles

in 1 sec rocket travel (x/5) /y miles

In 60z sec rocket travel (x/5) * 60z /y

= 12xz /y.


The best answer is E.
Re: If a rocket can travel   [#permalink] 20 Jul 2018, 09:51
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If a rocket can travel

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