document.write( "Question 372451: One grocery clerk can stock a shelf in 35 min. A second clerk requires 40 min to stock the same shelf. How long would it take to stock the shelf if the two clerks worked together? \n" ); document.write( "
Algebra.Com's Answer #265291 by mananth(16946)![]() ![]() You can put this solution on YOUR website! one clerk 35 minutes \n" ); document.write( "other clerk 40 minutes \n" ); document.write( ".. \n" ); document.write( "first clerk 1/35 of the job in 1 minute \n" ); document.write( "second clerk 1/40 of the job in 1 minute \n" ); document.write( ".. \n" ); document.write( "together they do 1/35 + 1/40 of the job in 1 minute \n" ); document.write( "=(40+35)/40*35 \n" ); document.write( "=75/1400 \n" ); document.write( "=3/56 of the job in 1 minute \n" ); document.write( "so they will take 56/3 = 18.66 hours together. \n" ); document.write( "... \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " |