document.write( "Question 1080352: in 4 year a person will be thrice older than he was 10 years ago.how old is he \n" ); document.write( "
Algebra.Com's Answer #694521 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! He's A years old now.\r \n" ); document.write( "\n" ); document.write( "4 years from now, he will be A+4. \n" ); document.write( "10 years ago he was A - 10 \n" ); document.write( "------------ \n" ); document.write( "\"thrice older\" is 3 times older = 4 times as old. \n" ); document.write( " 1 time older = 100% older = 2 times as old \n" ); document.write( "2 times older = 200% older = 3 times as old \n" ); document.write( "3 times older = 300% older = 4 times as old \n" ); document.write( "------- \n" ); document.write( "A+4 = 4(A-10) = 4A - 40 \n" ); document.write( "3A = 44 \n" ); document.write( "A = 14 yrs, 8 months \n" ); document.write( "----------------------------- \n" ); document.write( "3 times older is not 3 times as old. \n" ); document.write( "3 times more is not 3 times as much. \n" ); document.write( "3 times farther is not 3 times as far. \n" ); document.write( "3 times closer is nonsensical, since 1 time closer --> no distance. \n" ); document.write( "3 times smaller is nonsensical, since 1 time smaller --> zero. \n" ); document.write( " |