SOLUTION: . In 1985, 45 percent of a document storage facility�s 60 customers were banks, and in 1987. 25 percent of its 144 customers were banks. What was the percent increase from 1985 to

Question 3919: . In 1985, 45 percent of a document storage facility�s 60 customers were banks, and in 1987. 25 percent 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) 33.3%
(E) 58.3
Answer by longjonsilver(2297) (Show Source): You can put this solution on YOUR website!
find how many banks there were in 1985 and 1987. These 2 numbers would increase. We then find the % increase between these two.

So, in 1985: .45*60 = 27 banks
in 1987, .25*144 = 36 banks

increase is 9 banks, from the original of 27, so % increase = (9/27)*100 which is 33.3333333%: answer D.

jon.

RELATED QUESTIONS
Mathematics Business Statistics The Tea Delish Company claims that 40% of its customers (answered by Boreal)

Shell has recently signed a sale and purchase agreement (SPA) with XTRA Pty Ltd. to... (answered by ikleyn)

this is the question im tying to figure out - Historically, 5 percent of a mail-order... (answered by stanbon)

Shell has recently signed a sale and purchase agreement (SPA) with XTRA Pty Ltd. to... (answered by ikleyn)

United States health expenses were $428.7 billion in 1985 and $991.4 billion in 1995.... (answered by josmiceli)

Sally�s Beauty Salon just opened for business. Sally assigns the stylists customers on a... (answered by stanbon)

1. Find the probability of 7 tomatos getting accepting in 6 stores when the mean is 5.5 (answered by stanbon)

A telephone company estimate that 30% of its customers are interested in high speed... (answered by reviewermath)

Minh Phan is going over the numbers one more time. He is about to make the most important (answered by psbhowmick)