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# If m>0 and x is m percent of y, then in terms of m, y is

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Senior Manager
Joined: 23 May 2005
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If m>0 and x is m percent of y, then in terms of m, y is [#permalink]

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22 Oct 2006, 07:13
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

If m>0 and x is m percent of y, then in terms of m, y is what percent of x?

x = (m/100)y

y = (100/m)x

But the OA is 10,000/ m.

Why do you have to multiply it by 100 ?
_________________

Impossible is nothing

VP
Joined: 28 Mar 2006
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22 Oct 2006, 07:39
you almost got there

y = (100/m)x

which means y=(10000/m) % of x

Take example

y = (100/m)x

Take y =50 m=10 x=5

So 50 is (10000/10) % of 5

ie 50 is 1000% of 5 (50/5 * 100 = 1000)

Hope u got it...Use #s
SVP
Joined: 05 Jul 2006
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22 Oct 2006, 08:59
If m>0 and x is m percent of y, then in terms of m, y is what percent of x?

x/y *100 = m ie: ym = 100x then y/x = 100/m thus y/x*100 = 100^2/m
Senior Manager
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22 Oct 2006, 09:03
Given

x= m/100 *y thus y= 100*x/m
y =100*x/mx *100=100^2/m
Senior Manager
Joined: 23 May 2005
Posts: 266
Location: Sing/ HK
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Kudos [?]: 45 [0], given: 0

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23 Oct 2006, 01:11
Got it! Thanks trivikram.

Tough though on actual test day. I don't think i'll have time to pick #s to check my answers ...
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23 Oct 2006, 01:11
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