In speech class,you lose 3 points for every 30 seconds you go over the time limit. Your speech is 90 seconds over the time limit. What integer represents the change in your points?

Question

I don't get it

Answer 1

90 is 3 x 30
Each 30 seconds costs you 3 points.
So, you lose 3x3 = 9 points

It's a bit confusing with all those 3's floating around.

Answer 2

(3points/30s) * 90s = 9 Points.

Answer 3

Thanks, I may not have seen this answer when I needed it. But the work you showed should help me on my test! Thank you, Steve!

- Bobby