Question

The student enrollment of South High School was 1,350 students in 1995 and increased by 15% per year until 2010. Approximately how many students were enrolled at South High School in 2010?

A.About 10,985 students
B.About 9,552 students
C.About 5,366 students
D.About 5,740 students

Answer 1

A (10,985)

Explanation:

y= 1,350(1+0.15)^15

1,350 is the student =a

0.15 which originally was 15% is the rate. =r

^15 is the time because 1995 to 2010 took 15 years. =t

The equation I use for this question:

y=a(1+r)^t a.k.a Exponential growth formula

Answer 2

Answer: A.

Explanation: