Question: Compute the finish - grade elevations for a 4 0 0 - ft . equal tangent vertical curve with grades of g 1 = -

Compute the finish-grade elevations for a 400-ft. equal tangent vertical curve with grades of g1=-2.50% & g2=+1.50%, VPI at station 87+90.01 and elevation 310.00 ft . Your answers should include the elevations for the following: the VPC, the VPI, the VPT, the even stations, and the minimum elevation & the corresponding station. (Show your answers in feet to two decimal places.)
Compute the finish - grade elevations for a 4 0 0

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