A new school has opened with fewer than 500 students. 1/3 of the students is a whole number. So are 1/4, 1/5 and 1/7 of the students. How many students go to this school?

3 answers

which number is divisible by all of
3, 4, 5, and 7?
(like finding the LCD of those)
I get 420
420
HA GOTEEM