document.write( "Question 474241: The sum of Tiana's and Audette's age is 20 years. Double tiana's age is equal to triple Audette's age. How old is Tiana? \n" ); document.write( "
Algebra.Com's Answer #325260 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! The sum of Tiana's and Audette's age is 20 years. \n" ); document.write( " Double tiana's age is equal to triple Audette's age. \n" ); document.write( " How old is Tiana? \n" ); document.write( ": \n" ); document.write( "Write an equation for each statement: \n" ); document.write( ": \n" ); document.write( "\"The sum of Tiana's and Audette's age is 20 years. \" \n" ); document.write( "t + a = 20 \n" ); document.write( "a = (20-t) \n" ); document.write( ": \n" ); document.write( "\"Double tiana's age is equal to triple Audette's age.\" \n" ); document.write( "2t = 3a \n" ); document.write( "Substitute (20-t) for a \n" ); document.write( "2t = 3(20-t) \n" ); document.write( "2t = 60 - 3t \n" ); document.write( "Add 3t to both sides \n" ); document.write( "2t + 3t = 60 \n" ); document.write( "5t = 60 \n" ); document.write( "t = \n" ); document.write( "t = 12 is Tiana's age \n" ); document.write( ": \n" ); document.write( "you can check this by finding A's age and checking it in the 2nd statement\r \n" ); document.write( "\n" ); document.write( ":\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |