If x = 3y = 4z, which of thefollowing must equal 6x ? I.  18y               ... ...

If x = 3y = 4z, which of the following must equal 6x ?

I.  18y
II.  3y + 20z
III. 
(A)    I only
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Nova Press: Set K - Equations

 
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Posted: 02/04/2013 17:48
The III option is measing!
Arcadia
Admin
 
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Posted: 02/04/2013 19:23
Andres, sorry it does not render correctly. It happens though very rarely.

Option III is: (4y + 10z)/3.
Arcadia
Admin
 
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Posted: 02/04/2013 19:32
Andres, sorry it does not render correctly. It happens though very rarely.

Option III is: (4y + 10z)/3.