Question 298844
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?
:
Find the rate/hr for 1 clerk
:
r = {{{75/2.5}}}
r = 30 pc/hr
:
t = {{{1620/(8*30)}}}
t = 6.75 hrs