30
7.066666666666667 times.
15 can go into 3,536 about 235.73repeating times.
312÷15 = 20 remainder 12
It goes 66 times with a remainder of 10
8.733
15 times
17
300 ÷ 20 = 15
To determine how many times 15 can go into 275, you divide 275 by 15. Performing the division gives you approximately 18.33. Since you can only count whole times, 15 can go into 275 a total of 18 times.
18
6 times, remainder 15
15 goes into 31 twice with a remainder of 1.