document.write( "Question 1000362: chemany is thrice as old as cj. ten years from now the sum of their ages will be 28. how old are they now?
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Algebra.Com's Answer #617864 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Hi there, \n" ); document.write( "chemany is thrice as old as cj \n" ); document.write( "C = 3CJ \n" ); document.write( "ten years from now the sum of \n" ); document.write( "their ages will be 28. \n" ); document.write( "C + 10 + CJ + 10 = 28 \n" ); document.write( "Replace C with 3CJ from top equation. \n" ); document.write( "3CJ + 10 + CJ + 10 = 28 \n" ); document.write( "Collect like terms: \n" ); document.write( "3CJ + CJ = 28 - 10 - 10 \n" ); document.write( "4CJ = 8 \n" ); document.write( "CJ = 2 \n" ); document.write( ".................... \n" ); document.write( "CJ is currently 2 years old \n" ); document.write( "Chemany is currently 6 years old. \n" ); document.write( "Hope this helps :-) \n" ); document.write( " |