document.write( "Question 557071: Diane is 23 year older than her daughter Amy in 6 year Diane will be twice as old as Amy how old are they now \n" ); document.write( "
Algebra.Com's Answer #362487 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Let d = Diane's present age \n" ); document.write( "Let a = Amy's present age \n" ); document.write( ": \n" ); document.write( "Write an equation for each statement: \n" ); document.write( ": \n" ); document.write( "Diane is 23 year older than her daughter, Amy. \n" ); document.write( "d = a + 23 \n" ); document.write( "; \n" ); document.write( "In 6 years Diane will be twice as old as Amy. \n" ); document.write( "d + 6 = 2(a+6) \n" ); document.write( "d + 6 = 2a + 12 \n" ); document.write( "d = 2a + 12 - 6 \n" ); document.write( "d = 2a + 6 \n" ); document.write( "Replace d with (a+23) from the 1st statement \n" ); document.write( "a + 23 = 2a + 6 \n" ); document.write( "23 - 6 = 2a - a \n" ); document.write( "17 = a; Amy is 17 \n" ); document.write( ": \n" ); document.write( "I'll let you find Diane's age\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |