document.write( "Question 150905: The sum of the ages of Art, Ben, and Cal is 59. Art is 1 year older than Cal, Cal is 1 year younger than Ben. Which of these people were teenagers 7 years ago? \n" ); document.write( "
Algebra.Com's Answer #110845 by mangopeeler07(462)![]() ![]() ![]() You can put this solution on YOUR website! Art=a \n" ); document.write( "Ben=b \n" ); document.write( "Cal=c\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "a=b \n" ); document.write( "a=c+1\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "c+1+c+1+c=59 \n" ); document.write( "3c+2=59 \n" ); document.write( "3c=57 \n" ); document.write( "c=19\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Cal is a teen now. Subtract 7. \n" ); document.write( "19-7=12\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Cal was 12 \n" ); document.write( "Art was 13 \n" ); document.write( "Ben was 13\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Art and Ben were teenagers 7 years ago. \n" ); document.write( " |