Two lighthouses are located 60 miles from one another on a north-south line. If a boat is spotted S 21o E from the northern ligh
thouse and N 16o E from the southern lighthouse, how much closer is the closest lighthouse to the boat than the lighthouse furthest away? The northern lighthouse is 8.2 miles closer than the southern lighthouse.
The southern lighthouse is 27.4 miles closer than the southern lighthouse.
The northern lighthouse is 39.6 miles closer than the southern lighthouse.
The southern lighthouse is 63.1 miles closer than the southern lighthouse.