document.write( "Question 1170298: Pho lin has investments in ebay and amazon stock. On match 9,2007, ebay stock closed at $30.82 per share and Amazon stock closed at $38.84 per share. Phos stock portfolio was worth $2866.60 at the end of the day. If pho owns 20 more shares of Amazon stock than eBay stock, how many of each type of stock does she own? \n" ); document.write( "
Algebra.Com's Answer #795160 by ikleyn(52781)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "Pho lin has investments in ebay and amazon stock. On match 9,2007, ebay stock closed at $30.82 per share \n" ); document.write( "and Amazon stock closed at $38.84 per share. Phos stock portfolio was worth $2866.60 at the end of the day. \n" ); document.write( "If pho owns 20 more shares of Amazon stock than eBay stock, how many of each type of stock does she own? \n" ); document.write( "~~~~~~~~~~~~~~\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( "Let E be be the number of the eBay shares.\r\n" ); document.write( "\r\n" ); document.write( "Then the number of the Amazon shares is (E+20).\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Pho' stock portfolio was worth $2886.60. It gives you an equation\r\n" ); document.write( "\r\n" ); document.write( " 30.82*E + 38.84*(E + 20) = 2866.60.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "From this equation\r\n" ); document.write( "\r\n" ); document.write( " E =\r \n" ); document.write( "\n" ); document.write( "Solved.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "----------------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "It is a standard and typical problem on shares.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "If you need more details, or if you want to see other similar problems solved by different methods, look into the lesson \r \n" ); document.write( "\n" ); document.write( " - Using systems of equations to solve problems on shares \r \n" ); document.write( "\n" ); document.write( "in this site.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You will find there different approaches (using one equation or a system of two equations in two unknowns), as well as \n" ); document.write( "different methods of solution to the equations (Substitution, Elimination).\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Also, you have this free of charge online textbook in ALGEBRA-I in this site\r \n" ); document.write( "\n" ); document.write( " - ALGEBRA-I - YOUR ONLINE TEXTBOOK.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The referred lesson is the part of this online textbook under the topic \"Systems of two linear equations in two unknowns\".\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Save the link to this online textbook together with its description\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Free of charge online textbook in ALGEBRA-I \n" ); document.write( "https://www.algebra.com/algebra/homework/quadratic/lessons/ALGEBRA-I-YOUR-ONLINE-TEXTBOOK.lesson\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "to your archive and use it when it is needed.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |