40
Six of them
0.75 times.
30-40 times
40 times
40 goes into 870 21.75 times or 21 with remainder 30.
2 times with 30 left over if you need an exact number is 2 and 30/40 (or 3/4) 110 / 40 = 2.75 or 2 3/4
400
30 times
Exactly 40 times
It goes 9 times with a remainder of 30
8.75 times or 8 with remainder 30.