Grades of $g_1=-2\mathrm{.}50\%$ and $g_2=+1\mathrm{.}50\%,$ VPI elevation $860\mathrm{.}00$ ft at station $22+00,$ and a fixed elevation $864\mathrm{.}00$ ft at station $20+50.$

Part A

Field conditions require a highway curve to pass through a fixed point. Compute a suitable equal$-$tangent vertical curve and fullstation elevations. Give the elevations in order of increasing $x.$

Express your answers in feet to five significant figures separated by commas.

Elev $$

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