document.write( "Question 1051484: David took one and a half times as long as Billy to complete a project. If both of them took 20 days altogether, how long did David take to complete the project? \n" ); document.write( "
Algebra.Com's Answer #666962 by advanced_Learner(501)\"\" \"About 
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D=1.5B\r
\n" ); document.write( "\n" ); document.write( "1.5B+B=20
\n" ); document.write( "2.5B=20
\n" ); document.write( "25B=200
\n" ); document.write( "B=\"8\"\r
\n" ); document.write( "\n" ); document.write( "D=\"12\"
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