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# If a turtle traveled of a mile in 5 minutes, what was its sp

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Joined: 07 Jun 2014
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GRE 1: Q167 V156
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If a turtle traveled of a mile in 5 minutes, what was its sp [#permalink]  18 Jun 2018, 14:48
Expert's post
00:00

Question Stats:

87% (00:51) correct 12% (00:00) wrong based on 8 sessions
If a turtle traveled $$\frac{1}{30}$$ of a mile in 5 minutes, what was its speed in miles per hour?

(A) 0.02
(B) 0.16
(C) 0.4
(D) 0.6
(E) 2.5
[Reveal] Spoiler: OA

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Sandy
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Joined: 20 Apr 2016
Posts: 817
WE: Engineering (Energy and Utilities)
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Kudos [?]: 588 [0], given: 113

Re: If a turtle traveled of a mile in 5 minutes, what was its sp [#permalink]  02 Jul 2018, 05:04
sandy wrote:
If a turtle traveled $$\frac{1}{30}$$ of a mile in 5 minutes, what was its speed in miles per hour?

(A) 0.02
(B) 0.16
(C) 0.4
(D) 0.6
(E) 2.5

In 5 minutes the turtle travelled = $$\frac{1}{30}$$ of mile

Therefore in 60 minutes the turtle travelled = $${\frac{1}{(30 * 5)}} * 60 = 0.4 miles/hr$$
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GRE Prep Club Legend
Joined: 07 Jun 2014
Posts: 4856
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
Followers: 102

Kudos [?]: 1741 [0], given: 397

Re: If a turtle traveled of a mile in 5 minutes, what was its sp [#permalink]  07 Jul 2018, 04:48
Expert's post
Explanation

The turtle traveled $$\frac{1}{30}$$of a mile (D) in 5 minutes (t), which is $$\frac{1}{12}$$of an hour. Using the D = RT formula, solve for r:

$$\frac{1}{30}=\frac{1}{12} r$$

0.4 = r
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Sandy
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Re: If a turtle traveled of a mile in 5 minutes, what was its sp   [#permalink] 07 Jul 2018, 04:48
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