Yes 4 goes into 80.
Exactly 20 times
20 can go 4 times into 80
80 ÷ 4 = 20
320/80 = 4
They are: 1, 2 and 4
1, 2, 4, 5, 8, 10, 16, 20, 40, and 80 all go into 80 evenly.
How many times dose 20 go into 150
331 ÷ 80 = 4.1375 or 4 times with a remainder of 11.
4 with remainder 26.
80 with remainder 4.
80/19= 4, 21