document.write( "Question 285185: 1 ball and 2 bats cost $21. 2 balls and 1 bat cost $18. How much would 1 ball and 1 bat cost? \n" ); document.write( "
Algebra.Com's Answer #206788 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! L=ball \n" ); document.write( "T=bat \n" ); document.write( "1L+2T=21 \n" ); document.write( "2L+1T=18 \n" ); document.write( "3L+3T=39 \n" ); document.write( "3((L+T)=39 \n" ); document.write( "(L+T)=13 (1) \n" ); document.write( "(L+T)+T=21 (2) \n" ); document.write( "subtract (1) from (2) \n" ); document.write( "T=8 \n" ); document.write( "L=5\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |