L$=450$ ft

PVC station$=19+00$

PVI station$=21+25$

YPVI$=82\mathrm{.}79$ ft

g$1=-5\%$

g$2=+3\%$

$4.$ What is the horizontal distance to the minimum elevation on the curve in feet?

a$)168\mathrm{.}75$

b$)1125\mathrm{.}00$

c$)281\mathrm{.}25$

d$)675\mathrm{.}00$

e$)140\mathrm{.}63$