With this information, you can calculate the quantity of leagues 45 miles is equal to.

¿What is the inverse calculation between 1 league and 45 miles?

Performing the inverse calculation of the relationship between units, we obtain that 1 league is 0.066666667 times 45 miles.

Which is the same to say that 45 miles is 15 leagues.

Forty-five miles equals to fifteen leagues. *Approximation

A league is zero times forty-five miles. *Approximation