document.write( "Question 1086983: Steven is 4 times as old as his son. In another 4 years he will only be 3 times older than his son. How old is Steven now \n" ); document.write( "
Algebra.Com's Answer #701248 by ikleyn(52790)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( " \r\n" ); document.write( "Let x be the son's present age.\r\n" ); document.write( "Then the father's present age is 4x years.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "In 4 years, the son's age will be x+4 yeras, while the father's ge will be 4x + 4.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "The condition says \r\n" ); document.write( "\r\n" ); document.write( "4x+4 = 3*(x+4).\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Simplify and solve it:\r\n" ); document.write( "\r\n" ); document.write( "4x + 4 = 3x + 12 ====> x = 12 - 4 = 8. Thus the son's present age is 8 years.\r\n" ); document.write( "\r\n" ); document.write( "Then the father's present age is 4*8 = 32 years.\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( "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( "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( " |