document.write( "Question 1202333: David spent $75 of his money on some t-shirts. He spent 1/4 of the remaining money on some batteries. Given that he was left with 1/3 of his original sum of money left, how much money did David have at first? \n" ); document.write( "
Algebra.Com's Answer #837074 by mananth(16946) You can put this solution on YOUR website! Let him have $x before shopping \n" ); document.write( "75 on t shirt\r \n" ); document.write( "\n" ); document.write( "x -75 Balance\r \n" ); document.write( "\n" ); document.write( "1/4(x-75) on batteries\r \n" ); document.write( "\n" ); document.write( "x-75 -1/4(x-75) =1/3 x\r \n" ); document.write( "\n" ); document.write( "x-75 -x/4 +75/4 =x/3\r \n" ); document.write( "\n" ); document.write( "Rearrange and simplify\r \n" ); document.write( "\n" ); document.write( "x-7x/12 = 75+75/4\r \n" ); document.write( "\n" ); document.write( "5x/12 = 225/4\r \n" ); document.write( "\n" ); document.write( "5x = 225*12/4\r \n" ); document.write( "\n" ); document.write( "5x= 225*3\r \n" ); document.write( "\n" ); document.write( "x = 45*3 \n" ); document.write( "x= 135\r \n" ); document.write( "\n" ); document.write( "He had $ 135 before shopping\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |