Problema Solution

The number of students with a driver's license at the high school is now 486 students. This is 24% more than last year. How many students had a license last year?

Answer provided by our tutors

let student of last yr = x

according to the questions 

x+24x/100=486

(100x+24x)/100=486

124x=48600

x=48600/124

x=391.93

or, approximately 392 students had a license last year