SOLUTION: 12 clerks are assigned to enter certain data on index cards. The number of clerks could perform the task in 18 days. After these clerks have worked on this assignment for 6 days, 4

Question 846386: 12 clerks are assigned to enter certain data on index cards. The number of clerks could perform the task in 18 days. After these clerks have worked on this assignment for 6 days, 4 more clerks are added to the staff to do this work. Assuming that all the clerks work at the same rate of speed, how many days will it take to complete the entire task?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
12*18=216 clerk days
216=12*6+16x
144=16x
x=9 more days
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