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# If 80 percent of 300 is 30 percent of x, then x =

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Math Expert
Joined: 02 Sep 2009
Posts: 58465
If 80 percent of 300 is 30 percent of x, then x =  [#permalink]

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10 Jan 2018, 23:21
00:00

Difficulty:

15% (low)

Question Stats:

94% (00:39) correct 6% (00:03) wrong based on 25 sessions

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If 80 percent of 300 is 30 percent of x, then x =

A. 800
B. 550
C. 240
D. 112.5
E. 72

_________________
Intern
Joined: 16 Apr 2017
Posts: 12
Re: If 80 percent of 300 is 30 percent of x, then x =  [#permalink]

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11 Jan 2018, 00:10
0.8 X 300 = 0.3x
x = 0.8 X 300 / 0.3 = 0.8 X 1000
x= 800

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Re: If 80 percent of 300 is 30 percent of x, then x =   [#permalink] 11 Jan 2018, 00:10
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