4
Once with a remainder of one
4 with a remainder of 9
Four (4.2424) times.
12 with 4 remaining 64 - 4 = 60 = 5 x 12
How many times does 5 go into 20 ?
24/5 = 4 and 4/5
5 can go into 5 once
4 with 3 remaining 23 - 3 = 20 = 5 x 4
4
5 can go into 75 15 times
5 with remainder 4.