Oh, dude, it's like basic math, right? So, you divide 30 by 3, and you get 10. So, there are 10 threes in 30. Easy peasy lemon squeezy.
92 ÷ 3 = 30 remainder 2
20
1,000 x 3 = 3,000
102 ÷ 3 = 34
32
15
75 ÷ 3 = 25
28 3s
3 x 30 = 90 3 x 29 = 87
8 of them, with 2 left over.
142 divided by 3 equals 47 with a remainder of 1.
121 divided by 3 equals 40 with a remainder of 1.