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# If 45 is 120% of a number, what is 80% of the same number?

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Math Expert
Joined: 02 Sep 2009
Posts: 64169
If 45 is 120% of a number, what is 80% of the same number?  [#permalink]

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09 Aug 2019, 01:10
00:00

Difficulty:

15% (low)

Question Stats:

91% (01:03) correct 9% (00:51) wrong based on 33 sessions

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If 45 is 120% of a number, what is 80% of the same number?

A. 30
B. 32
C. 36
D. 38
E. 41

_________________
NUS School Moderator
Joined: 18 Jul 2018
Posts: 1121
Location: India
Concentration: Operations, General Management
GMAT 1: 590 Q46 V25
GMAT 2: 690 Q49 V34
WE: Engineering (Energy and Utilities)
Re: If 45 is 120% of a number, what is 80% of the same number?  [#permalink]

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09 Aug 2019, 01:27
45 = 1.2x
x = 45/12*10
4/5x = 4/5*45/12*10 = 30.

Re: If 45 is 120% of a number, what is 80% of the same number?   [#permalink] 09 Aug 2019, 01:27