Why does watching a video at 1.25 speed decrease the time by 20%? And 1.5 speed decreases it by 33%?

579 views

I guess this reveals how fucking dumb I am. I can’t get the math to make sense in my head. If you watch at 1.25 speed, logically (or illogically I guess) I assume that this makes the video 1/4 shorter, but that isn’t correct.

In short, could someone reexplain how fractions and decimals work? Lol

Edit: thank you all, I understand now. You helped me reorient my thinking.

In: 8653

29 Answers

Anonymous 0 Comments

Don’t feel too bad.
I know a very large multinational corporation where to executives and pricing analysts couldn’t work out that a 10% discount followed by a 10% price rise would not restore the original price.

10% off $100 is $90 but an 10% price increase on $90 is $99. They couldn’t work out where the extra $1 went.

You are viewing 1 out of 29 answers, click here to view all answers.