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If 3 miles are equivalent to 4.83 kilometers, then 11.27 kilometers ar

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If 3 miles are equivalent to 4.83 kilometers, then 11.27 kilometers ar  [#permalink]

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New post 26 Feb 2018, 22:53
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A
B
C
D
E

Difficulty:

  45% (medium)

Question Stats:

60% (01:37) correct 40% (01:27) wrong based on 138 sessions

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Math Expert
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Re: If 3 miles are equivalent to 4.83 kilometers, then 11.27 kilometers ar  [#permalink]

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New post 26 Feb 2018, 22:54
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If 3 miles are equivalent to 4.83 kilometers, then 11.27 kilometers ar  [#permalink]

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New post 26 Feb 2018, 23:16
1
Bunuel wrote:
If 3 miles are equivalent to 4.83 kilometers, then 11.27 kilometers are equivalent to how many miles?

(A) 2

(B) 5

(C) 7

(D) 6 1/2

(E) 7 1/3


Since 3 miles are equal to 4.83 kilometers, 1 mile is \(\frac{4.83}{3}\) kilometers.

Therefore, 11.27 kilometers will be \(11.27*\frac{3}{4.83} = \frac{4.83*7}{3}*\frac{3}{4.83} = 7\) miles(Option C)

P.S On the GMAT, the numbers are chosen mostly such that they cancel each other out.
Here 11.27 is x times over 4.83 => x = \(\frac{11.27}{4.83} = \frac{7}{3}\)
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Re: If 3 miles are equivalent to 4.83 kilometers, then 11.27 kilometers ar  [#permalink]

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New post 19 Apr 2018, 06:00
Simply set-up a proportion:

3/4.83 = x / 11.27

When dividing decimals multiply both terms by 100. We find 7.
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Re: If 3 miles are equivalent to 4.83 kilometers, then 11.27 kilometers ar &nbs [#permalink] 19 Apr 2018, 06:00
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If 3 miles are equivalent to 4.83 kilometers, then 11.27 kilometers ar

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