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If a rocket can travel
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12 Jul 2018, 08:36
12 Jul 2018, 08:36
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Question Stats:
65% (01:23) correct
34% (01:48) wrong based on 35 sessions
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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. \(\frac{12xz}{y}\)
A. \(\frac{xy}{5z}\)
B. \(\frac{xz}{5y}\)
C. \(\frac{xyz}{6}\)
D. \(\frac{12xy}{z}\)
E. \(\frac{12xz}{y}\)
Re: If a rocket can travel
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12 Jul 2018, 19:28
12 Jul 2018, 19:28
2
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. \(\frac{12xz}{y}\)
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
Re: If a rocket can travel
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20 Jul 2018, 09:51
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. \(\frac{12xz}{y}\)
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.
