document.write( "Question 1179070: Tim has 450 dollars more than Rin. After Tim spends sixty dollars on school supplies, Tim has 7 times as much money as Rin. How much money does Rin have?
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Algebra.Com's Answer #808561 by mananth(16946)![]() ![]() You can put this solution on YOUR website! x money Tim has 0.06 \n" ); document.write( " y money Rin has 0.17 \r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "Tim has $ 450 more than Rin \n" ); document.write( " \n" ); document.write( "1.00 x -1.00 y = 450.00 \r \n" ); document.write( "\n" ); document.write( "After spending $60 Tim has 7 times what Rin has \n" ); document.write( " \n" ); document.write( "1.00 x -7.00 y = 60.00 .............2 \n" ); document.write( "Eliminate y \n" ); document.write( "multiply (1)by -7.00 \n" ); document.write( "Multiply (2) by 1.00 \n" ); document.write( "-7.00 x 7.00 y = -3150.00 \n" ); document.write( "1.00 x -7.00 y = 60.00 \n" ); document.write( "Add the two equations \n" ); document.write( "-6.00 x = -3090.00 \n" ); document.write( "/ -6.00 \n" ); document.write( "x = 515.00 \n" ); document.write( "plug value of x in (1) \n" ); document.write( "1.00 x + -1.00 y = 450.00 \n" ); document.write( "515.00 + -1.00 y = 450.00 \n" ); document.write( " -1.00 y = -65.00 \n" ); document.write( " y = 65.00 \n" ); document.write( "Ans x = 515.00 \n" ); document.write( " y = 65.00 \n" ); document.write( "$ 515.00 money Tim has \n" ); document.write( "$ 65.00 money Rin has \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |