Well, if you want to get p by itself, you will have to multiply both sides by 5/2. 2/5 times 5/2 gives you 1p, or just p.
The greatest common factor of those numbers is 8.
2, 3, and 5.
Hope this could help.
rrriok, the home of...idk
1. 50
2. 154
3. 28
These would be your answers
Assuming that 2 is A1, then A5 is 162.