SOLUTION: A firm starts work with 110 employees for the first week. The number of the employees rises by 6% per week. How many persons will be employed in the 20th week if the present rate o

Question 585287: A firm starts work with 110 employees for the first week. The number of the employees rises by 6% per week. How many persons will be employed in the 20th week if the present rate of expansion continues.
I've tried using Sn=a(r^n - 1)/r^n-1 but can't get the right answer.
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
A firm starts work with 110 employees for the first week.
The number of the employees rises by 6% per week.
How many persons will be employed in the 20th week if the present rate of expansion continues.
:
The multiplier for a 6% increase is 1.06, therefore
;
Total =
Use a calc to find 1.06^20
T = 110 * 3.207
T ~ 353 employees in 20 weeks
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