Can someone please explain the solution to this problem for me
In 1985, 45% of a document storage facility's 60 customers were banks, and in 1987, 25% of its 144 customers were banks. What was the percent increase from 1985 to 1987 in the number of bank customers the facility had?
A. 10.7%
B. 20%
C. 25%
D. 33/1/3%
E. 58/1/3%
Thanks
In 1985, 45% of a document storage facility's 60 customers were banks, and in 1987, 25% of its 144 customers were banks. What was the percent increase from 1985 to 1987 in the number of bank customers the facility had?
A. 10.7%
B. 20%
C. 25%
D. 33/1/3%
E. 58/1/3%
Thanks
Last edited by kaf on Thu Mar 26, 2009 9:09 am, edited 1 time in total.












