a clerk can process the mailing in 9 days, a new clerk takes 14 days to process them. if they work together, how many days will it take to do the processing?

Question

owlfred · Answer

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anonymous · Answer

clerk A= 9 day so 1 day wrk=1/9
clerk B=14 day so 1 day wrk=1/14
together 1 day wrk =>1/9+1/14 =23/126

both can complete wrk in 126/3 day
=

anonymous · Answer

sry 126/23 days

anonymous · Answer

thanks!!!!!

anonymous · Answer

correct ... medel plz  :)

anonymous · Answer

how do i do that >< sorry i'm new