So I tried doing the problem:
P=F/A
Regular pressure = 1.0 x 10^5
15% decrease = 8.5 x 10^3
85000 = F/(195 x 91)
= F/177.45<--- Converted to meters
So I multiplied by the area:
85000 x 177.45=15,083,250 Pa
And that, to me, seems like a completely ridiculous answer.
Would...