Posted by Deb on Friday, May 7, 2010 at 6:09pm.
If one clerk can process 75 pieces of mail in 2 and 1/2 hours, how long will it take eight clerks to process 1620 pieces of mail if all of them work at this same rate?

arithmetic  Reiny, Friday, May 7, 2010 at 6:27pm
1 clerk  75 pieces  2.5 hours
8 clerak  600 pieces  2.5 hours
8 clerks  1620 pieces (1620/600)(2.5) or 6.75 hours

arithmetic  Aswat, Saturday, May 22, 2010 at 12:57am
how did u get 600 pieces?

arithmetic  Aswat, Saturday, May 22, 2010 at 1:02am
how did u get 1620 pieces?

arithmetic  Aswat, Saturday, May 22, 2010 at 1:04am
nevermind
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