document.write( "Question 1178986: Jillian is five years younger than Ciane. Four years ago, the sum of their ages was 25. How old are they now?
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Algebra.Com's Answer #808474 by amarjeeth123(569)![]() ![]() ![]() You can put this solution on YOUR website! Let Jillian's present age be x. \n" ); document.write( "Then Ciane's present age is (x+5). \n" ); document.write( "Four years ago their ages were (x-4) and (x+1) respectively. \n" ); document.write( "Four years ago the sum of their ages was (2x-3). \n" ); document.write( "Plugging in the values we get, \n" ); document.write( "2x-3=25 \n" ); document.write( "2x=28 \n" ); document.write( "x=14 \n" ); document.write( "Jillian's present age is 14 years. \n" ); document.write( "Ciane's present age is 19 years.\r \n" ); document.write( "\n" ); document.write( "Validation: \n" ); document.write( "4 years back Jillian's age was 10 years. \n" ); document.write( "4 years back Ciane's age was 15 years. \n" ); document.write( "The sum of their ages 4 years back was 25 years. \n" ); document.write( "Hence the solution is correct.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |