document.write( "Question 883470: The sum of two numbers is 120 and one of the number is 3 times the other. find the value of the numbers
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Algebra.Com's Answer #533556 by JulietG(1812)\"\" \"About 
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A + B = 120
\n" ); document.write( "A = 3B
\n" ); document.write( "Substitute the value of A from the second equation into the first.
\n" ); document.write( "(3B) + B = 120
\n" ); document.write( "4B = 120
\n" ); document.write( "Divide each side by 4
\n" ); document.write( "B = 30
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