document.write( "Question 1111105: A 6% investment yields in a year P13 less than a 4% investment. The sum of the two investment is P1,200. What is the amount of each investment? \n" ); document.write( "
Algebra.Com's Answer #726113 by ikleyn(52878) You can put this solution on YOUR website! . \n" ); document.write( " \r\n" ); document.write( "Let x be the 6%-investment amount.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Then\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "0.04*(1200-x) - 0.06*x = 13 \r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "is your equation. Solve it for x.\r\n" ); document.write( "\r \n" ); document.write( "\n" ); document.write( "---------------- \n" ); document.write( "If you want to learn more about the method, look into the lesson\r \n" ); document.write( "\n" ); document.write( " - Using systems of equations to solve problems on investment\r \n" ); document.write( "\n" ); document.write( "in this site.\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( " |