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# John , bart, and lio have x, y, z number of marbles respectively. If x

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Director
Joined: 31 Oct 2013
Posts: 647
Concentration: Accounting, Finance
GPA: 3.68
WE: Analyst (Accounting)
John , bart, and lio have x, y, z number of marbles respectively. If x  [#permalink]

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30 Apr 2018, 17:39
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Question Stats:

67% (02:28) correct 33% (01:01) wrong based on 6 sessions

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John , bart, and lio have x, y, z number of marbles respectively. If x=6y=3z, what fraction of his marbles should john give to bart and lio so that all of them have equal number of marbles ?

A) 5
B)1/4
C)1/3
D)1/2
E) 6
Senior Manager
Joined: 29 Dec 2017
Posts: 389
Location: United States
Concentration: Marketing, Technology
GMAT 1: 630 Q44 V33
GMAT 2: 690 Q47 V37
GMAT 3: 710 Q50 V37
GPA: 3.25
WE: Marketing (Telecommunications)
Re: John , bart, and lio have x, y, z number of marbles respectively. If x  [#permalink]

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30 Apr 2018, 17:54
selim wrote:
John , bart, and lio have x, y, z number of marbles respectively. If x=6y=3z, what fraction of his marbles should john give to bart and lio so that all of them have equal number of marbles ?

A) 5
B)1/4
C)1/3
D)1/2
E) 6

The fastest way is to substitute variables with real numbers. Let them have (x=6y=3z) 6, 1, 2 marbles. So John should give away 3 pcs to make 3=3=3 for each guy. 3/6=1/2. Answer (D)
Re: John , bart, and lio have x, y, z number of marbles respectively. If x &nbs [#permalink] 30 Apr 2018, 17:54
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# John , bart, and lio have x, y, z number of marbles respectively. If x

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