[Flash8]Help needed! - Numbers within a range

I need help AS 2, i am trying to code a quiz message at the end.

I have a score called, “score”

So i have this

if (score = 21-40) {
trace (“meh”)
textbox = “blah blah”
}

the 21-40 means between 21 and 40, I also need it to be equal to 21 up to 40 can someone tell me how in the simplest way possible. ty.