document.write( "Question 912465: Sana is twice as old as her youngest brother. If the difference between their ages is 15 years. How old is her youngest brother? \n" ); document.write( "
Algebra.Com's Answer #553817 by ewatrrr(24785)\"\" \"About 
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x youngest brother's age
\n" ); document.write( "(15-x) = 2x
\n" ); document.write( "15 = 3x
\n" ); document.write( "5 = x, youngest brother's age
\n" ); document.write( "And...checking (Sana's age 10)
\n" ); document.write( "\"10+=+2%2A5\"
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