the present number of students of a school is 2000. if every 10 students bring 1 student each year, find the number of students in the school after 2 year.
Answers
Answered by
26
Answer:
Let number of student be
′
P
′
Therefore P=2000
Rate(R) of increament=5%
Time=2
We need to find amount(A)
A=P(1+
100
R
)
T
=2000(1+
100
5
)
2
=2000(
20
21
)
2
=
20×20
2000×21×21
=2205
Number of students after 2 years is $$2205$$
Similar questions