document.write( "Question 1164417: Faith is 10 years older than Grace. Eight years ago, Faith was 3 times Grace's age. How old are they now? \n" ); document.write( "
Algebra.Com's Answer #788826 by ikleyn(52817)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "Faith is 10 years older than Grace. Eight years ago, Faith was 3 times Grace's age. How old are they now? \n" ); document.write( "~~~~~~~~~~~~~~~~\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( "Let x be the Grace age; Then Faith is (x+10) years old.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Eight years ago they were (x-8) (Grace) and ((x+10)-8) = (x+2) (Faight) years old.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "The condition says\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( " x+2 = 3*(x-8).\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "From this equation\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( " x+2 = 3x - 24\r\n" ); document.write( "\r\n" ); document.write( " 2 + 24 = 3x - x\r\n" ); document.write( "\r\n" ); document.write( " 26 = 2x\r\n" ); document.write( "\r\n" ); document.write( " x = 26/2 = 13.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "ANSWER. Grace is 13 years old; Faith is 13+10 = 23 years old.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "CHECK. 8 years age they were 13-8 = 5 and 23-8 = 15 years old with the ratio\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( " - 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( " - 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( " \n" ); document.write( " |