The enrolment in a school this year is 552. This is an increase of 15% over last year's enrolment. How many were enrolled last year?
Answers
Answered by
2
Let enrollment last year =x
This year =x+15% of x
=x+
100
15
x
=
100
115x
Given this year enrollment =552
∴
100
115x
=552
x=480
Answered by
1
Answer:
480
Step-by-step explanation:
Let enrollment in last year is x.
when, 15 % growth = x*115 /100
x*115 /100 = 552
x = 552*100 / 115
x = 480
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