document.write( "Question 65059: If 6 men can do a piece of work in 14 days, how many men are needed to do the same work in 21 days? \n" ); document.write( "
Algebra.Com's Answer #45578 by tutorcecilia(2152)![]() ![]() You can put this solution on YOUR website! if 6 men/14 days than, than x men/21 days [set-up as a proportion problem] \n" ); document.write( "6 men/14 days = x men/21 days [set the ratios equal to each other and cross-multiply] \n" ); document.write( ". \n" ); document.write( "(6)(21)=14x \n" ); document.write( "126=14x [solve for x] \n" ); document.write( "x=9 \n" ); document.write( ". \n" ); document.write( "checking: \n" ); document.write( "6 men/14 days = 9 men/21 days \n" ); document.write( "126=126 [checks out]\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |