Three times.
135
33 and 3/4 times.
135
135 with remainder 3.
20 goes in to 135 two times with a remainder of 15. Written as a fraction, that is 2 15/20. In simplest form, it is 2 3/4.
45 x 3 = 135
3 goes into 57 19 times. 3 goes into 138 46 times.
1
1, 3, 5, 9, 15, 27, 45, 135
45. (It's also the least common multiple of the two.) Just keep counting by 45's, and each number will be divisible by 3, also: 90, (3 goes into it 30 times) 135, (3 goes into it 45 times) 180, (3 goes into it 60 times) and so on and so on.
3 goes into 40 thirteen and one-third times.