A taxi charges $1.75 plus a fee of $0.75 for each mile traveled. The total cost of a ride is $4.75, how many miles was the ride?

A.1.75m + 0.75 = 4.75
B.1.75 - 0.75m < 4.75
C.0.75m - 1.75 > 4.75
D.1.75 + 0.75m = 4.75