Posted by **alanaR.** on Thursday, August 26, 2010 at 10:03pm.

this promblem will prepare you for the real world connection.

the air around u puts pressure on ur body equal 14.7 pounds per square inch (psi). when you are underwater, the water exerts additional pressure on ur body. for each foot u r below the surface of the water, the pressure increases by 0.445 psi.

a) what does 14.7 represent in the 14.7 + 0.445d? my answer pounds..( is it correct?)

b) what does d presents in the expression?

c) what is the total pressire exerted on a person's body when d=8 ft?

pls help me with this one

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