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

Algebra ->  Rate-of-work-word-problems -> 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       Log On


   



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) About Me  (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) About Me  (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