document.write( "Question 1150918: Isabelle is 5 years older than her brother joseph ,in 15years the sum of their age is 65. Find their present age \n" ); document.write( "
Algebra.Com's Answer #772486 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Isabelle is 5 years older than her brother joseph. In 15years the sum of their age is 65. Find their present age \n" ); document.write( "====================== \n" ); document.write( "in 15 years the sum of their ages is 65 ---> sum now is 35 \n" ); document.write( "--- \n" ); document.write( "I + J = 35 \n" ); document.write( "I - J = 5 \n" ); document.write( "------------------- Add \n" ); document.write( "2I = 40 \n" ); document.write( "I = 20 \n" ); document.write( "J = 15 \n" ); document.write( " \n" ); document.write( " |