Problem $6$ A$)$

An equal tangent vertical crest curve is $2000ft$ long and has the following grades: $g1=1\mathrm{.}5\%$ and $g2=-4\%.$ What is the elevation of its vertex $V$ if the elevation of the BVC is $5350ft?$

Problem B$)$

At what distance from the BVC is the high point of the curve in problem $6A?$