75 ÷ 3 = 25
To find out how many 3s go into 140, divide 140 by 3. This gives you approximately 46.67. Since we're looking for whole 3s, you can fit 46 complete 3s into 140.
37.6666667
20
102 ÷ 3 = 34
1,000 x 3 = 3,000
15
32
28 3s
75 ÷ 3 = 25
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.