document.write( "Question 337907: tom counted a total of 76 bicyles and tricycles , for a total of 227 wheels. how many tricyles are there. \n" ); document.write( "
Algebra.Com's Answer #242249 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 2x+3y=227 \n" ); document.write( "x+y=76 multiply by -2 & add \n" ); document.write( "-2x-2y=-152 \n" ); document.write( "2x+3y=227 \n" ); document.write( "------------------- \n" ); document.write( "y=75 tricycles. \n" ); document.write( "x+75=76 \n" ); document.write( "x=76-75 \n" ); document.write( "x=1 bicycle. \n" ); document.write( "Proof: \n" ); document.write( "2*1+3*75=227 \n" ); document.write( "2+225=227 \n" ); document.write( "227=227\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |