document.write( "Question 533674: If lisa and fred spent 15.30 but lisa spent 3.50 more than fred, how much each spent? Thanks \n" ); document.write( "
Algebra.Com's Answer #351112 by Maths68(1474)![]() ![]() You can put this solution on YOUR website! Let \n" ); document.write( "Lisa spent = l \n" ); document.write( "Fred Spent = f\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "lisa and fred spent 15.30 \n" ); document.write( "l+f=15.30.........(1)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "lisa spent 3.50 more than fred \n" ); document.write( "l = f + 3.50.........(2)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Put the value of l in (1) \n" ); document.write( "f+3.50+f=15.30 \n" ); document.write( "2f=15.30-3.50 \n" ); document.write( "2f=11.80 \n" ); document.write( "f=11.80/2 \n" ); document.write( "f=5.90 \n" ); document.write( "Plug in the value of f in (2) \n" ); document.write( "l = f + 3.50 \n" ); document.write( "l = 5.90 + 3.50 \n" ); document.write( "l = 9.4\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Lisa spent = l = 9.4 \n" ); document.write( "Fred Spent = f = 5.90 \n" ); document.write( " \n" ); document.write( " |