A crew member on a fishing boat falls ill and needs medical attention. The boat
is at point
located 10 miles from point
,
the nearest point on shore. Point
is 70 miles from the nearest hospital on a
straight road that runs along the coast, as shown. The captain radios the hospital to send an
ambulance and starts to cruise at 15 miles per hour toward a pier at point
.
The ambulance leaves the hospital toward point
at 75 miles per hour. How
far from point
is point
if the boat
and the ambulance arrive at the same time?
(Figure not drawn to scale.)