document.write( "Question 138450: On Diane's fifteenth birthday, her father was three times as old as she was then. In years, what will Diane's age be when her father is twice as old as she is? \n" ); document.write( "
Algebra.Com's Answer #116440 by integral13(8)![]() ![]() ![]() You can put this solution on YOUR website! Diane is 15 \n" ); document.write( "Her father is 45\r \n" ); document.write( "\n" ); document.write( "The diffrences in age is 30yrs.\r \n" ); document.write( "\n" ); document.write( "twice the DIFFERENCE is her fathers age=60.\r \n" ); document.write( "\n" ); document.write( "Then divide by 2 for her age from her father:\r \n" ); document.write( "\n" ); document.write( "60/2=3.\r \n" ); document.write( "\n" ); document.write( "So\r \n" ); document.write( "\n" ); document.write( "Diane will be 30 when her father is TWICE AS OLD AS SHE IS. \n" ); document.write( " |