document.write( "Question 935210: if 12a+6b=54, what is the average of a & b ?
\n" ); document.write( "(A)2.25
\n" ); document.write( "(B)4.5
\n" ); document.write( "(C)6
\n" ); document.write( "(D)Data insufficient
\n" ); document.write( "

Algebra.Com's Answer #568358 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
Think about the equation and the question. a and b will fit on a line. Do you want to try solving for each in terms of the other and then find their average? You will have just an expression of a and b. Try that, and the meaning will be very clear. \n" ); document.write( "
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