Three times.
3
15
Exactly 45 times.
3.95555... That is, 3 with a remainder of 43, or 3 43/45.
158 ÷ 45 = 3 with remainder 23
45 divided by 15 is 3
3 goes into 76 25 times
14 x 3 = 42 so it can't go into 45
About 3.82 times or 3 times with a remainder of 45.
145 ÷ 45 = 3 with remainder 10 OR 3.2222
15 goes into 45 three times