document.write( "Question 1172593: The sum of Tray's age and Ja’s age is 60. Nine years ago, Tray was twice as old as Ja then. How old is Ja? \n" ); document.write( "
Algebra.Com's Answer #797680 by ikleyn(52792)![]() ![]() You can put this solution on YOUR website! .\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " It is simpler to solve this problem MENTALLY, without using equations, than with equations.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( "Nine years ago, the sum of their ages was 60-2*9 = 42 years,\r\n" ); document.write( "\r\n" ); document.write( "and Tray was twice the Ja's age.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Then it is OBVIOUS that the Ja's age was 42/3 = 14 years then, and\r\n" ); document.write( "\r\n" ); document.write( " the Tray's age was 14*2 = 28 years.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Hence, now they are 14+9 = 23 years old (Ja's age) and 28+9 = 37 years old (Tray's age). ANSWER\r\n" ); document.write( "\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( "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( " |