The distance between two points is 80 statute miles. convert that distance to nautical miles, using the conversion factor of 1.15 statute miles per nautical mile (or the conversion factor of 0.87 nautical miles per statute mile)

80 statute miles = 69.56 nautical miles

Explanation:

It is given that there are 1.15 statute miles in 1 nautical mile

this means 1 statute miles has 1/1.15 nautical miles

Thus 80 statute miles will have nautical miles

=49.56 nautical miles