document.write( "Question 829538: Jill is 12 years older than jack. IN 8 yeras she will be three times his age. How old is Jack? \n" ); document.write( "
Algebra.Com's Answer #499946 by Fombitz(32388)![]() ![]() You can put this solution on YOUR website! Let \n" ); document.write( "Let \n" ); document.write( "1. \n" ); document.write( "In 8 years, Jill will be A+8, I assume you mean 3 times his age right now (because otherwise it doesn't work) \n" ); document.write( "2. \n" ); document.write( "Substitute eq. 1 into eq. 2, \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "From eq. 1, \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "Jack is 10 and Jill is 22 years old. \n" ); document.write( " |