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1/r/1/t = 3/5

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1/r/1/t = 3/5 [#permalink] New post 28 Jul 2018, 09:55
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\(\frac{\frac{1}{r}}{\frac{1}{t}} =\) \(\frac{3}{5}\)

Quantity A
Quantity B
\(\frac{r}{t}\)
\(\frac{t}{r}\)


A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.

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[Reveal] Spoiler: OA

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Re: 1/r/1/t = 3/5 [#permalink] New post 29 Jul 2018, 18:17
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Carcass wrote:
\(\frac{\frac{1}{r}}{\frac{1}{t}} =\) \(\frac{3}{5}\)

Quantity A
Quantity B
\(\frac{r}{t}\)
\(\frac{t}{r}\)


A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.

Kudos for R.A.E



\(\frac{\frac{1}{r}}{\frac{1}{t}} =\) \(\frac{3}{5}\)

or \({\frac{1}{r}} * {t} =\) \(\frac{3}{5}\)

or \(\frac{t}{r} = \frac{3}{5}\)

or \(\frac{r}{t} = \frac{5}{3}\)

Therefore QTY A > QTY B
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Re: 1/r/1/t = 3/5 [#permalink] New post 07 Jun 2019, 11:41
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Expert's post
Carcass wrote:
\(\frac{\frac{1}{r}}{\frac{1}{t}} =\) \(\frac{3}{5}\)

Quantity A
Quantity B
\(\frac{r}{t}\)
\(\frac{t}{r}\)


A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.

Kudos for R.A.E


Property of division of fractions: (a/b) ÷ (c/d) = (a/b) x (d/c)

Given: (1/r)/(1/t) = 3/5
This is the same as (1/r) ÷ (1/t) = 3/5

Now apply the above property to get: (1/r) x (t/1) = 3/5

Simplify to get: to get: t/r = 3/5

If t/r = 3/5, then r/t = 5/3

We get:
QUANTITY A: 5/3
QUANTITY B: 3/5

Answer: A

Cheers,
Brent
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Re: 1/r/1/t = 3/5   [#permalink] 07 Jun 2019, 11:41
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