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if x + y = 0.5 ( 6x+y) what is 3x + 3y = ? (4x + 2y) 1. 4 2.

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Manager
Joined: 11 Jan 2005
Posts: 101
if x + y = 0.5 ( 6x+y) what is 3x + 3y = ? (4x + 2y) 1. 4 2. [#permalink]

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26 Jan 2005, 21:22
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

if x + y = 0.5 ( 6x+y)

what is 3x + 3y = ? (4x + 2y)

1. 4
2. 5/2
3. 2
4. 3/2
5. 5/4
SVP
Joined: 03 Jan 2005
Posts: 2233

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26 Jan 2005, 21:27
x + y = 0.5 ( 6x+y)
=>y=4x
3x+3y=15x
4x+2y=12x
(3x+3y)/(4x+2y)=15/12=5/4
Manager
Joined: 25 Jan 2005
Posts: 70

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26 Jan 2005, 22:34
The answer is 5/4.
whats OA?
VP
Joined: 18 Nov 2004
Posts: 1433

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27 Jan 2005, 09:25
What is this synbol "= ? " supposed to mean
Senior Manager
Joined: 19 Nov 2004
Posts: 281
Location: Germany

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27 Jan 2005, 09:30
Answer is 5/4 as explained by HongHu
Director
Joined: 31 Aug 2004
Posts: 606

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27 Jan 2005, 10:53
Except the "?" symbol where is the trap here ?
Director
Joined: 25 Jan 2004
Posts: 721
Location: Milwaukee

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28 Jan 2005, 15:41
5/4 as HongHu explained
_________________

Praveen

28 Jan 2005, 15:41
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if x + y = 0.5 ( 6x+y) what is 3x + 3y = ? (4x + 2y) 1. 4 2.

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