document.write( "Question 677272: \r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Bobby is three times as old as Kelly. The sum of their ages is 46. How old is Bobby?
\n" ); document.write( "

Algebra.Com's Answer #420795 by checkley79(3341)\"\" \"About 
You can put this solution on YOUR website!
B=3K
\n" ); document.write( "B+K=46 REPLACE B BY 3K & SOLVE FOR K.
\n" ); document.write( "(3K)+K=46
\n" ); document.write( "4K=46
\n" ); document.write( "K=46/4
\n" ); document.write( "K=11.5 AGE OF KELLY.
\n" ); document.write( "B=3*11.5
\n" ); document.write( "B=34.5 AGE OF BOBBY.
\n" ); document.write( "PROOF:
\n" ); document.write( "11.5+34.5=46
\n" ); document.write( "46=46
\n" ); document.write( "
\n" );