document.write( "Question 1129907: When I am as old as sue is now, sue will be 4 years older than I am now. How much older is sue than I? Please if you can explain how you got it because I'm having a hard time with it and I would like to understand. Thank you! \n" ); document.write( "
Algebra.Com's Answer #746572 by greenestamps(13200)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "For many students, a formal algebraic solution like the one by tutor @ikleyn is probably the best way to solve the problem. \n" ); document.write( "For some students who are good with logical reasoning, you can solve the problem in basically the same way, but without the formal algebra. \n" ); document.write( "In some number of years x, I will be as old as Sue is now. \n" ); document.write( "After that number of years, Sue will be x years older than SHE is now. \n" ); document.write( "If AT THAT TIME Sue will be 4 years older than I am NOW, then those 4 years will be equal to 2 times x. \n" ); document.write( "So x is 2; since that is the number of years it will be before I am as old as Sue, Sue is 2 years older than I am. \n" ); document.write( " |