SOLUTION: If it takes 20 days for 30 employees to finish an assignment. To complete the assignment in 10 days, how many additional employees are needed if each new employee is only half as

Question 908672: If it takes 20 days for 30 employees to finish an assignment. To complete the assignment in 10 days, how many additional employees are needed if each new employee is only half as productive as the original group?
Found 2 solutions by ewatrrr, richwmiller:
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
n newly added for finishing in 10days
30*20days = (30+ n/2)10
30*20days = 300 + 5n
300/5 = n = 60 additional
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
20*30=600
600/10=60
60-30=30 new workers
The new workers only work half as much
30*2=60 additional workers
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