document.write( "Question 1202588: If a + 2b = 3c and 2a + 4b + c = 56 what is the value of c?\r
\n" ); document.write( "\n" ); document.write( "(A) -12
\n" ); document.write( "(B) -4
\n" ); document.write( "(C) 8
\n" ); document.write( "(D) 12
\n" ); document.write( "(E) 24
\n" ); document.write( "

Algebra.Com's Answer #837512 by greenestamps(13200)\"\" \"About 
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\n" ); document.write( "(1) a+2b = 3c
\n" ); document.write( "(2) 2a+4b+c = 56

\n" ); document.write( "In the second equation, \"2a+4b\" is \"a+2b\" times 2; and the first equation gives us the value of \"a+2b\" in terms of c:

\n" ); document.write( "2a+4b+c = 56
\n" ); document.write( "2(a+2b)+c = 56
\n" ); document.write( "2(3c)+c = 56
\n" ); document.write( "6c+c = 56
\n" ); document.write( "7c = 56
\n" ); document.write( "c = 8

\n" ); document.write( "ANSWER: (C) 8

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