28 3s
9
4
16
37.6666667
2,560
Well, darling, there are two 3s in 78. Simple math, really. But hey, if you need help with anything else, I'm here to sprinkle some sass on it.
3000/3 = 1000
There are: 21/3 = 7
24 of them
203
There are 29 3s because there also a 3 in the how many 3s are in 83333333333333333333333333333