20
16.6667
20/1 divided by 1/5 is 100/1 and 100/3 so ya idk
5.7299
3701.8
14.2857
100
100
0.1212
100 divided by 4 is 25.
The product of 20 and 5 is 100. So when divided by the sum of 20 and 5, which is 25, it is 4. The problem is very simple. 100/25=4.
100
100