Answer:
4.0 atm
Step-by-step explanation:
it looks to be a proportional ratio so for every meter pressure increases by .1 atm so if you add .8 to 3.2 you get 4 atm
50%
50% is equal to 1/2.
1/2 of 60 is 30.
1 solution
The solution is the intersection point, which is at (3, -2)