document.write( "Question 1067225: Two years ago, my age was four times that of my son. Eight years ago, my age was ten times that of my son. Find the age of my son now. \n" ); document.write( "
Algebra.Com's Answer #682460 by ikleyn(52797)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "Two years ago, my age was four times that of my son. Eight years ago, my age was ten times that of my son. Find the age of my son now. \n" ); document.write( "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( "f-2 = 4(s-2)\r\n" ); document.write( "f-2 = 4s-8\r\n" ); document.write( "f = 4s-6 (1) \r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "f-8 = 10(s-8) \r\n" ); document.write( "f-8 = 10s-80 \r\n" ); document.write( "f = 10s-72 (2)\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "From (1) and (2): 4s - 6 = 10s - 72 ---> 6s = 66 ---> s = 11. \r\n" ); document.write( "\r\n" ); document.write( "Then from ((1) f = 4*11 - 6 = 38.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Answer. Son is 11, father is 38 years old.\r\n" ); document.write( "\r \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( " - A fresh formulation of a traditional age problem\r \n" ); document.write( "\n" ); document.write( " - Really intricate age word problem\r \n" ); document.write( "\n" ); document.write( " - Selected age word problems from the archive\r \n" ); document.write( "\n" ); document.write( " - Age problem for the day of April, 1 \r \n" ); document.write( "\n" ); document.write( " - OVERVIEW of lessons on 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( " |