document.write( "Question 350464: john completed 20 problems in 12 minutes.At this rate, how long will it take him to complete the remaining 7 problems? \n" ); document.write( "
Algebra.Com's Answer #250504 by mananth(16946)\"\" \"About 
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20 problems 12 minutes
\n" ); document.write( "7 problems - ?
\n" ); document.write( "direct proprtion
\n" ); document.write( "7/20*12
\n" ); document.write( "=21/5
\n" ); document.write( "=4.2 minutes
\n" ); document.write( "
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