document.write( "Question 947277: The time to complete a project is inversely proportional to the number of people who are working on the project. A class project can be completed by 3 students in 20 days. In order to finish the project in 5 days how many more students should the group add? \r
\n" ); document.write( "\n" ); document.write( "I got 3/20=x/5
\n" ); document.write( "Then I cross multiply
\n" ); document.write( " 20x=15
\n" ); document.write( "Then I divided both sides by 20x which I got 0.75
\n" ); document.write( "Please help I know the answer is wrong but I cannot figure out the answer
\n" ); document.write( "

Algebra.Com's Answer #578010 by MathTherapy(10552)\"\" \"About 
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\n" ); document.write( "The time to complete a project is inversely proportional to the number of people who are working on the project. A class project can be completed by 3 students in 20 days. In order to finish the project in 5 days how many more students should the group add? \r
\n" ); document.write( "\n" ); document.write( "I got 3/20=x/5
\n" ); document.write( "Then I cross multiply
\n" ); document.write( " 20x=15
\n" ); document.write( "Then I divided both sides by 20x which I got 0.75
\n" ); document.write( "Please help I know the answer is wrong but I cannot figure out the answer
\n" ); document.write( "

\n" ); document.write( "\"S+=+k%2FT\"
\n" ); document.write( "\"3+=+k%2F20\"
\n" ); document.write( "k = 3(20), or 60\r
\n" ); document.write( "\n" ); document.write( "\"S+%2B+E+=+k%2FT\" ------- E being the extra students needed
\n" ); document.write( "\"3+%2B+E+=+60%2F5\"
\n" ); document.write( "3 + E = 12
\n" ); document.write( "E, or extra students needed = 12 – 3, or \"highlight_green%289%29\" \n" ); document.write( "
\n" );