document.write( "Question 892961: The perimeter of a triangle is 240. Its sides are proportional to 3:4:5. The largest side of the triangle is \n" ); document.write( "
Algebra.Com's Answer #540921 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
\"3x%2B4x%2B5x=240\"
\n" ); document.write( "\"12x=240\"
\n" ); document.write( "\"x=20\"
\n" ); document.write( "The longest side is \"5x=100\"
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