document.write( "Question 1200068: In 25 years. Joseph age will be eight times as old as he was 10 years ago. How old is he now? \n" ); document.write( "
Algebra.Com's Answer #834084 by ikleyn(52787)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "In 25 years, Joseph \n" ); document.write( "as he was 10 years ago. How old is he now? \n" ); document.write( "~~~~~~~~~~~~~~~~\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( "Let J be his age now.\r\n" ); document.write( "\r\n" ); document.write( "In 25 years his age will be J+25 years.\r\n" ); document.write( "\r\n" ); document.write( "Eight times his age 10 years ago is 8*(J-10).\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Write an equation as you read the problem\r\n" ); document.write( "\r\n" ); document.write( " J + 25 = 8*(J-10).\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Simplify and find J\r\n" ); document.write( "\r\n" ); document.write( " J + 25 = 8J - 80\r\n" ); document.write( "\r\n" ); document.write( " 80 + 25 = 8J - J\r\n" ); document.write( "\r\n" ); document.write( " 105 = 7J\r\n" ); document.write( "\r\n" ); document.write( " J = 105/7 = 15.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "ANSWER. Joseph is 15 years old.\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( " - Age problems for mental solution \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( " |