document.write( "Question 441218: Sam is 4 years older than her brother Jaems and one-half the age of her cousain Robert. If the sum of their ages is 60, how old is James \n" ); document.write( "
Algebra.Com's Answer #304570 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Sam is 4 years older than her brother Jaems and one-half the age of her cousain Robert. If the sum of their ages is 60, how old is James \n" ); document.write( "------------------- \n" ); document.write( "Equations: \n" ); document.write( "s = j + 4 \n" ); document.write( "----- \n" ); document.write( "s = (1/2)r \n" ); document.write( "---- \n" ); document.write( "s + j + r = 60 \n" ); document.write( "---- \n" ); document.write( "Substitute for \"j\" and \"r\" to get: \n" ); document.write( "s + s-4 + 2s = 60 \n" ); document.write( "4s = 64 \n" ); document.write( "s = 16 \n" ); document.write( "---- \n" ); document.write( "James = s-4 = 16-4 = 12 yrs old \n" ); document.write( "=================================== \n" ); document.write( "cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |