document.write( "Question 1185879: the mass of 4 similar music books and 6 biology books is 7.2 kg. The mass of 2 such music books is 3.4 kg. Find the total mass of 2 music books and 6 biology books \n" ); document.write( "
Algebra.Com's Answer #849400 by ikleyn(52877)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "Just solved at this forum under this link\r
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\n" ); document.write( "\n" ); document.write( "https://www.algebra.com/algebra/homework/Finance/Finance.faq.question.1185939.html\r
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\n" ); document.write( "\n" ); document.write( "                        Enjoy  ( ! )\r
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