document.write( "Question 1039609: The sum of Sally and Beth age is 60.Six years ago,Sally was 3 times as old as Beth.What are thier present age?
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Algebra.Com's Answer #654371 by addingup(3677)\"\" \"About 
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S+B = 60 subtract B from both sides:
\n" ); document.write( "S = 60-B
\n" ); document.write( "S-6 = 3(B-6)
\n" ); document.write( "60-B-6 = 3B-18
\n" ); document.write( "54 = 4B-18
\n" ); document.write( "72 = 4B
\n" ); document.write( "B = 72/4 = 18 Beth is 18 and Sally is:
\n" ); document.write( "60-18 = 42
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