document.write( "Question 410973: I was 14 when my niece was born. How old will she and I be when I'm three times her age? \n" ); document.write( "
Algebra.Com's Answer #289063 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! I was 14 when my niece was born. \n" ); document.write( " How old will she and I be when I'm three times her age? \n" ); document.write( ": \n" ); document.write( "Let n = niece's age when you are 3 times her age \n" ); document.write( "then \n" ); document.write( "(n+14) = your age at that time \n" ); document.write( ": \n" ); document.write( "n + 14 = 3n \n" ); document.write( "14 = 3n - n \n" ); document.write( "14 = 2n \n" ); document.write( "n = \n" ); document.write( "n = 7 yrs old is the niece \n" ); document.write( "and you are: \n" ); document.write( "7 + 14 = 21 yrs old, (which is 3 time your niece's age) \n" ); document.write( " |