document.write( "Question 515453: A twelve foot board is cut into two pieces such that the second piece is 4 feet less than three times the length of the first piece. Find the length of both pieces \n" ); document.write( "
Algebra.Com's Answer #343992 by oberobic(2304)![]() ![]() ![]() You can put this solution on YOUR website! Two pieces: x and y \n" ); document.write( "x + y = 12 \n" ); document.write( "so \n" ); document.write( "x = 12-y \n" ); document.write( ". \n" ); document.write( "x = 3y -4 \n" ); document.write( ". \n" ); document.write( "since x=x \n" ); document.write( ". \n" ); document.write( "12-y = 3y-4 \n" ); document.write( "16 = 4y \n" ); document.write( "4y = 16 \n" ); document.write( "y = 4 \n" ); document.write( ". \n" ); document.write( "x = 12-4 \n" ); document.write( "x = 8 \n" ); document.write( ". \n" ); document.write( "Check to be sure this is the answer. \n" ); document.write( ". \n" ); document.write( "3*4 = 12 \n" ); document.write( "12-4 = 8 \n" ); document.write( "Correct. \n" ); document.write( ". \n" ); document.write( "Answer: The two pieces are 4 ft and 8 ft respectively. \n" ); document.write( ". \n" ); document.write( "Done. \n" ); document.write( " |