Posted by colonel smith on .
A navy destroyer is exactly 68 miles North of an aircraft carrier, which is travelling West 21 degrees North at 18 mph. what speed and bearing must the destroyer maintain if it is to reach the aircraft carrier in exactly 3 hrs?

pre calc 
bobpursley,
and what is your thinking? I will be happy to critique it.

pre calc 
colonel smith,
would it be 226 mph
???/