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5/5/4 [#permalink] New post 14 May 2018, 14:10
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Question Stats:

87% (00:10) correct 12% (00:00) wrong based on 8 sessions
\(\frac{5}{\frac{5}{4}}\)

A. \(\frac{1}{5}\)

B. \(\frac{1}{4}\)

C. \(4\)

D. \(5\)

E. \(\frac{25}{4}\)
[Reveal] Spoiler: OA

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Re: 5/5/4 [#permalink] New post 15 Jun 2018, 07:59
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I got the answer C. Although it looks funky, the equation is dividing 5 by 5/4. Dividing by a fraction can also be written as multiplying by its multiplicative inverse. So: 5 / 5/4 is the same as 5 * 4/5, which is simplified to 20/5, or 4.
Re: 5/5/4   [#permalink] 15 Jun 2018, 07:59
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