Answer
$$\fbox{ninety six miles}$$
Work Step by Step
We first solve for the requested number. Performing addition, we find:
$$ =48 \ miles + 48 \ miles = 96 \ miles$$
We are asked to write the given number using words. To do this, we first describe the digit on the left side of the number and then move right. Doing this, we find that the number is:
$$\fbox{ninety six miles}$$
