Solve the Problem $d$ In Miles That Can Be Seen on the Surface of Be

Multiple Choice

Solve the problem.
-The distance $d$ in miles that can be seen on the surface of the ocean is given by $d=1.2 \sqrt{h}$ , where $h$ is the height in feet above the surface. How high (to the nearest foot) would a platform have to be to see a distance of 18.5 miles?

A) $154 \mathrm{ft}$
B) $410 \mathrm{ft}$
C) $342 \mathrm{ft}$
D) $238 \mathrm{ft}$