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# If Tom goes y miles in x hours, how many miles does he go per minute,

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Math Revolution GMAT Instructor
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If Tom goes y miles in x hours, how many miles does he go per minute, [#permalink]

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23 Mar 2017, 01:23
00:00

Difficulty:

15% (low)

Question Stats:

69% (00:39) correct 31% (00:29) wrong based on 81 sessions

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If Tom goes y miles in x hours, how many miles does he go per minute, in terms of x and y?

A. 60x/y
B. y/60x
C. 60y/x
D. x/60y
E. 60xy

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"Only $99 for 3 month Online Course" "Free Resources-30 day online access & Diagnostic Test" "Unlimited Access to over 120 free video lessons - try it yourself" CEO Joined: 12 Sep 2015 Posts: 2559 Location: Canada Re: If Tom goes y miles in x hours, how many miles does he go per minute, [#permalink] ### Show Tags 23 Mar 2017, 06:47 Top Contributor MathRevolution wrote: If Tom goes y miles in x hours, how many miles does he go per minute, in terms of x and y? A. 60x/y B. y/60x C. 60y/x D. x/60y E. 60xy x hours = 60x MINUTES (since there are 60 minutes in each hour) So, the DISTANCE Tom travels = y miles, and his TRAVEL TIME = 60x minutes Speed = distance/time So, Tom's speed = y/(60x) Answer: B _________________ Brent Hanneson – Founder of gmatprepnow.com Math Revolution GMAT Instructor Joined: 16 Aug 2015 Posts: 5577 GMAT 1: 800 Q59 V59 GPA: 3.82 Re: If Tom goes y miles in x hours, how many miles does he go per minute, [#permalink] ### Show Tags 26 Mar 2017, 18:32 ==>You get miles:hours=y(miles):x(hours)=y(miles):60x(minutes), and from y:60x=some:1, you get some=y/60x. The answer is B. Answer: B _________________ MathRevolution: Finish GMAT Quant Section with 10 minutes to spare The one-and-only World’s First Variable Approach for DS and IVY Approach for PS with ease, speed and accuracy. "Only$99 for 3 month Online Course"
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Re: If Tom goes y miles in x hours, how many miles does he go per minute, [#permalink]

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16 May 2017, 12:14
Speed is y/x means distance traveled in x hour = y miles

distance traveled in minutes = y/x*60 ( 1 hour = 60 min)

option B is correct
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If Tom goes y miles in x hours, how many miles does he go per minute, [#permalink]

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17 May 2017, 03:39
If Tom goes y miles in x hours, how many miles does he go per minute, in terms of x and y?
A. 60x/y
B. y/60x
C. 60y/x
D. x/60y
E. 60xy

Tom goes y miles in = x hours or 60 mins * x
How many miles can Tom go in = 1 min
Required ratio = $$\frac{y}{60*x}$$ = $$\frac{y}{60x}$$

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Re: If Tom goes y miles in x hours, how many miles does he go per minute, [#permalink]

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17 May 2017, 04:29
We can also do it by substitution.

Assume x=1, y=30. So Mike covers 30 miles in 1 hour, or in 60 minutes.
In 60 minutes, distance covered = 30 miles
In 1 minute, distance covered = 30/60 = 1/2 or 0.5 miles

So we have to look for an option that gives us answer as '1/2' when we substitute x with 1 and y with 30.
That is only option B.

Hence B

(Please note that in my opinion, using simple algebra as others have done is the best way to solve this question.
I have just given an alternate method)
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Re: If Tom goes y miles in x hours, how many miles does he go per minute, [#permalink]

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19 May 2017, 06:30
MathRevolution wrote:
If Tom goes y miles in x hours, how many miles does he go per minute, in terms of x and y?

A. 60x/y
B. y/60x
C. 60y/x
D. x/60y
E. 60xy

Tom’s rate is (y miles)/(x hours). To determine his rate in terms of miles per minute, let’s convert hours to minutes.

x hours = 60x minutes; thus:

(y miles)/(60x minutes) = y/60x miles per minute

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Re: If Tom goes y miles in x hours, how many miles does he go per minute,   [#permalink] 19 May 2017, 06:30
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