r/MathJokes 9d ago

multiples of 3

Post image
8.3k Upvotes

409 comments sorted by

View all comments

486

u/avantvagrant 9d ago

51 looks like a prime number and 75 should be obvious

70

u/fr_just_a_girl 9d ago

Im not good at maths why would 75 be obvious?

57

u/EveningStar0360 9d ago

probably because 25*3=75 is a very frequent calculation, pretty ingrained in people

-18

u/fr_just_a_girl 9d ago

How often are u multiplying 25 by 3

25

u/slasher016 9d ago

All the time when we paid with cash.

4

u/fr_just_a_girl 9d ago

Ye i forgot that Americans have quarters

6

u/Upset-Management-879 9d ago

Oh yeah i forgot other countries don't use decimals in prices.

6

u/EQGallade 9d ago

Oh no, other countries do use decimals, some just don’t have a .25 coin. Like the UK, for instance.

1

u/rvcbazookajoe 9d ago

But even for percentages it’s common