Problema Solution
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?
Answer provided by our tutors
let 'x' represent the number of enrollments last year
x + 0.15x = 552
1.15x = 552
by solving we find:
x = 480 students
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there were 480 students enrolled last year.