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If the average of 2x and 4x is 12, then x =

If the average of 2x and 4x is 12, then x =


(A) 1
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Nova Math - Diagnostic: Test / Review

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Replies to This Thread: 1 | ----
If the average of 2x and 4x is 12, then x = 
Posted: 02/23/2014 00:30
I don't understand y u put it over 2
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Posted: 02/28/2014 10:57
Sonara, an average of two numbers is the sum of those numbers divided by 2. The average of 2 and 3 is (2+3)/2. And so the average of 2x and 4x is (2x + 4x)/2.
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