document.write( "Question 1023494: Two business partners, Ellen and Bob, invested money in their business at a a ratio of 8 to 9. Bob invested the greater amount. The total amount invested was $510. How much did each partner invest? \n" ); document.write( "
Algebra.Com's Answer #638994 by Theo(13342)![]() ![]() You can put this solution on YOUR website! e = amount invested by ellen. \n" ); document.write( "b= amount invested by bob.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "ratio invested at a rate of 8 to 9, where bob invested the larger amount.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "ratio is:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "e/b = 8/9\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "total amount invested is 510.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "this means that e + b = 510.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "from e/b = 8/9, solve for e to get e = 8b/9\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "raplace e with 8b/9 in the equation of e + b = 510 to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "8b/9 + b = 510\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "multiply both sides of the equation by 9 to remove the denominator and you get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "8b + 9b = 4590.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "combine like terms to get 17b = 4590.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "divide both sides by 17 to get b = 270.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "since e = 8b/9, then e must be equal to 8*270/9 = 8*30 = 240.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "ellen invested 240 and bob invested 270.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "total invested is 240 + 270 = 510.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "ratio of investment by ellen to investment by bob is 240 / 270 = 24 / 27 = 8 / 9.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |