Problem points$]$

An equal tangent vertical curve that connects a $4\%$ upgrade with a $3\%$ downgrade is designed

for a speed of $55$ mph $.$ The PVI is located at station $4+76$ and has an elevation of $200$ ft $.$

Calculate the following:

a$)$ length of the vertical curve

b$)$ station and elevation of PVC

c$)$ station and elevation of PVT

d$)$ station and elevation of the highest point on the curve. Show all work and i will upvote