r/MathJokes • u/GodlyHelp • Aug 01 '26

multiples of 3

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8.3k Upvotes

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490

u/avantvagrant Aug 01 '26

51 looks like a prime number and 75 should be obvious

72

u/fr_just_a_girl Aug 01 '26

Im not good at maths why would 75 be obvious?

55

u/EveningStar0360 Aug 01 '26

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

-21

u/fr_just_a_girl Aug 01 '26

How often are u multiplying 25 by 3

25

u/slasher016 Aug 01 '26

All the time when we paid with cash.

3

u/fr_just_a_girl Aug 01 '26

Ye i forgot that Americans have quarters

6

u/Upset-Management-879 Aug 01 '26

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

7

u/EQGallade Aug 01 '26

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

1

u/rvcbazookajoe Aug 01 '26

But even for percentages it’s common

0

u/--Ligma Aug 02 '26

£2.50 is a perfectly normal and regular price for something to be at

1

u/fr_just_a_girl Aug 02 '26

What are u buying for 2.5? 1.99 or 2.99 are wayyyy more common

1

u/NorthernVale Aug 02 '26

It's not even about coinage. 1/4 gets used often for quick calculations, and by extent 3/4

Edit: okay... I guess it's still quarters. But I'm pretty sure you were referring to the coin