this post was submitted on 09 Nov 2023
1381 points (98.2% liked)

Memes

45680 readers
567 users here now

Rules:

  1. Be civil and nice.
  2. Try not to excessively repost, as a rule of thumb, wait at least 2 months to do it if you have to.

founded 5 years ago
MODERATORS
 
you are viewing a single comment's thread
view the rest of the comments
[–] [email protected] 35 points 1 year ago (1 children)

x% × y = x × y ÷ 100 This helps you out much more.

[–] [email protected] 12 points 1 year ago* (last edited 1 year ago)

Its easier:

10% of a 100: 100 * 0,1 = 10

2,5% of 33: 33 * 0,025 = 30 * 0,025 + 3 * 0,025 = 0,75 + 0,075 = 0,825

Thats how I calculate it mostly in my brain. But being smart I usually just type everything (like 9*9) in the calculator xD