document.write( "Question 1079895: Mary is 3 times as old as Ben. After four years, their total age is 41 years old. Find the age, in years and months, of Mary
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Algebra.Com's Answer #694119 by addingup(3677)\"\" \"About 
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M = 3B
\n" ); document.write( "M+4+B+4 = 41 substitute for M:
\n" ); document.write( "3B+4+B+4 = 41 consolidate similar terms
\n" ); document.write( "3B+B+4+4 = 41
\n" ); document.write( "4B+8 = 41
\n" ); document.write( "4B = 33
\n" ); document.write( "B = 33/4 = 8.25
\n" ); document.write( "M = 3B
\n" ); document.write( "M = 3(8.25) = 24.75
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