Can someone please explain 7th grade inequalities to me?

Question

here's an example: 3t ≤ 15

I kind of know how to do it but I just want to be correct.!

Answer 1

3t ≤ 15
t ≤ 5
(Solve as you would an equatiion.)

Answer 2

3t <= 15

15 / 3 = 5

t <= 5