Once, with one left over.
14 times... without using a calculator !how many times does 15 go into 210
14/9 or 15/9 times.
7 with remainder 14.
2 times, remainder 14
216 ÷ 15 = 14 with remainder 6.
14. 14 x 15 = 210, which is the last multiple of 15 before 215.
15, remainder 13
220 ÷ 15 = 14 2/3 ≈ 14.667
17 with a remainder of 1
15 times, with 2 left over
24 times.
Once with a remainder of fourteen