document.write( "Question 1036466: Ishaan is 2 times as old as Christopher. 35 years ago, Ishaan was 7 times as old as Christopher.
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document.write( "How old is Ishaan now?
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Algebra.Com's Answer #651147 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Hi there, \n" ); document.write( "Ishaan is 2 times as old as Christopher. \n" ); document.write( "I = 2C.......(1) \n" ); document.write( "35 years ago, Ishaan was 7 times as old as Christopher. \n" ); document.write( "I - 35 = 7(C - 35).......(2) \n" ); document.write( "I - 35 = 7C - 245........(2) \n" ); document.write( "Substitute 2C for I from Eq(1) in Eq(2) \n" ); document.write( "2C - 35 = 7C - 245 \n" ); document.write( "Collect like terms: \n" ); document.write( "2C - 7C = -245 + 35 \n" ); document.write( "-5C = -210 \n" ); document.write( "C = 42 \n" ); document.write( "Ishaan is 84 years old \n" ); document.write( "Christopher is 42 years old \n" ); document.write( "Hope this helps :-) \n" ); document.write( " |