document.write( "Question 1175788: Sam is 102 years younger than Jessica. 6 years ago, Jessica's age was 4 times Sam's age. How old is Sam now?
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Algebra.Com's Answer #801463 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Sam is 102 years younger than Jessica. \n" ); document.write( "----- \n" ); document.write( "S = J - 102 \n" ); document.write( "=================== \n" ); document.write( "6 years ago, Jessica's age was 4 times Sam's age. \n" ); document.write( "----- \n" ); document.write( "J-6 = 4*(S-6) \n" ); document.write( "J-6 = 4S-24 \n" ); document.write( "J+18 = 4S \n" ); document.write( "J+18 = 4*(J-102) = 4J-408 \n" ); document.write( "3J = 426 \n" ); document.write( "J = 142 \n" ); document.write( "How old is Sam now? \n" ); document.write( "S = 40 \n" ); document.write( " |