document.write( "Question 1177612: The sum of Jocelyn and Joseph's age is 40. In 5 years, Joseph will be twice as Jocelyn's present age. How old are they now? \n" ); document.write( "
Algebra.Com's Answer #806736 by ikleyn(52788)![]() ![]() You can put this solution on YOUR website! .\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " Even do not try follow to the @josgarithmetic post, since his equations are wrong.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " For your safety, ignore the post by @josgarithmetic.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " I came to bring you the correct solution.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( "x Jocelyn\r\n" ); document.write( "y Joseph\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Equations (written correctly)\r\n" ); document.write( "\r\n" ); document.write( " x + y = 40, (1)\r\n" ); document.write( "\r\n" ); document.write( " y + 5 = 2x (2)\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "From equation (1), express y = 40-x and plug it into the second equation\r\n" ); document.write( "\r\n" ); document.write( " 40 - x + 5 = 2x.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "You will get then\r\n" ); document.write( "\r\n" ); document.write( " 45 = 2x + x\r\n" ); document.write( "\r\n" ); document.write( " 45 = 3x\r\n" ); document.write( "\r\n" ); document.write( " x = 45/3 = 15.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "ANSWER. Jocelyn is 15 years old. Joseph is y = 40-x = 40-15 = 25 years old.\r\n" ); document.write( "\r \n" ); document.write( "\n" ); document.write( "Solved.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-----------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "There is a bunch of lessons on age word problems \r \n" ); document.write( "\n" ); document.write( " - Age problems and their solutions\r \n" ); document.write( "\n" ); document.write( " - HOW TO algebreze and to solve age problems? \r \n" ); document.write( "\n" ); document.write( " - A fresh formulation of a traditional age problem\r \n" ); document.write( "\n" ); document.write( " - Really intricate age word problems\r \n" ); document.write( "\n" ); document.write( " - Selected age word problems from the archive\r \n" ); document.write( "\n" ); document.write( " - Age problems for mental solution \r \n" ); document.write( "\n" ); document.write( " - Age problem for three participants \r \n" ); document.write( "\n" ); document.write( " - Miscellaneous age problems \r \n" ); document.write( "\n" ); document.write( "in this site.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Read them and become an expert in solving age problems.\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 lessons are the part of this online textbook under the topic \"Age word problems\".\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( " |