math
posted by micheal .
The function p(d)=1+d/33, gives the pressure, in atmospheres (atm), at a depth d in the sea?
(d in in feet). Note that p(0)=1 atm, p(33)=2, and so on. Find the pressure at 40 feet
(Type answer as a integer or a simplified fraction.)

p(40) = 1 + 40/33
= (33 +40)/33
= 73/33
= 2 7/33