document.write( "Question 838406: John paid $83 for one algebra and three geometry books. He paid $95 for three algebra and two geometry books. What is the cost of each book? How do I solve this? \n" ); document.write( "
Algebra.Com's Answer #505080 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! Ask John how much he paid for each book. \n" ); document.write( "John should also be able to solve this problem using algebra since he bought 4 algebra books. \n" ); document.write( "1a+3g=83 \n" ); document.write( "3a+2g=95 \n" ); document.write( "3a+9g=83*3\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "3a+9g=249 \n" ); document.write( "3a+2g=95 \n" ); document.write( "7g=154 \n" ); document.write( "g=22 \n" ); document.write( "a+66=83 \n" ); document.write( "a=17 \n" ); document.write( "check \n" ); document.write( "51+44=95 \n" ); document.write( "ok\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |