document.write( "Question 967175: When Ann was born her father was 32 years old.
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document.write( "If her father is now 5 times her present age, how old is she? \n" );
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Algebra.Com's Answer #591142 by pupil01(1)![]() ![]() You can put this solution on YOUR website! First list - Ages now: (plug in for answers)\r \n" ); document.write( "\n" ); document.write( "Let x = be Ann's age now \n" ); document.write( "Let 5x = Father's age now\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Second list - Ages before: (to set up in equations)\r \n" ); document.write( "\n" ); document.write( "x = Ann's age when she was born \n" ); document.write( "5x+32 = Father's age when she was born\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Set up an equation:\r \n" ); document.write( "\n" ); document.write( "x = 5x+32 \n" ); document.write( "x-5x = 5x+32-5x (get rid of one numerical coefficent) \n" ); document.write( "4x = 32 \n" ); document.write( "__ __ \n" ); document.write( "4 4 (Divided by 4 on both sides)\r \n" ); document.write( "\n" ); document.write( "x = 8\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Now plug in:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "First listed values:\r \n" ); document.write( "\n" ); document.write( "Ann's age now: x = 8 years old\r \n" ); document.write( "\n" ); document.write( "Father's age now: 5x = 5(8) = 40 years old\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Check: \r \n" ); document.write( "\n" ); document.write( "Father's age before + 8 years later = Father's age now \n" ); document.write( "32 + 8 = 40 years \r \n" ); document.write( "\n" ); document.write( "which is 5x + 32 = 5(8) - 32 = 8 {Ann's age}\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |