Question 49865
(1 3/8)/(1/4)
=(11/8)/(1/4)
=(11/8)*(4/1)
=11/2

So, 11/2 is the number of times 1 3/8 contains 1/4.

Multiply 11/2 by 10 to get the number of miles you seek.
11/2 * 10 = 55 miles
Cheers,
Stan H.