So what are we trying to find the reduced fraction or inverse operation
If x>4, then the quantity x-3 inside the absolute value symbol is already positive. So, in this case, |x-3| => x-3, and x-3 is all you need to write.
Answer: 
Step-by-step explanation:
See attached image, it's direct formula substitution.
The two cities are actually 427.5 miles apart.