Answer:
Step-by-step explanation:
Given Curve passes through 
Also the slope of the curve at every point p is twice the Y-coordinate of p
Let the coordinate of p be
Therefore


Integrating both sides


Substituting values



2 hours 30 minutes
Step-by-step explanation:
60/90=100/x
60x=9000
x=150 minutes or 2 hour 30 minutes
B, if they would breath in the air it would mess up there lungs