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# If n is positive, n/m = 4 and mn = 9, then m =

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Math Expert
Joined: 02 Sep 2009
Posts: 50711
If n is positive, n/m = 4 and mn = 9, then m =  [#permalink]

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31 Oct 2018, 01:30
00:00

Difficulty:

15% (low)

Question Stats:

85% (01:05) correct 15% (01:02) wrong based on 26 sessions

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If n is positive, n/m = 4 and mn = 9, then m =

A. 1/6
B. 2/3
C. 3/2
D. 6
E. 27/2

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Senior Manager
Joined: 18 Jul 2018
Posts: 374
Location: India
Concentration: Finance, Marketing
WE: Engineering (Energy and Utilities)
Re: If n is positive, n/m = 4 and mn = 9, then m =  [#permalink]

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31 Oct 2018, 01:43
n/m = 4 or n = 4m

Then mn = 4$$m^2$$ = 9 or m = 3/2

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Manager
Joined: 26 Feb 2017
Posts: 72
Location: India
GPA: 3.99
Re: If n is positive, n/m = 4 and mn = 9, then m =  [#permalink]

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31 Oct 2018, 13:31
n/m = 4 ==> n = 4m
mn = 9
m(4m) = 9
m=3/2

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Re: If n is positive, n/m = 4 and mn = 9, then m = &nbs [#permalink] 31 Oct 2018, 13:31
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