Answer:
47,000
Step-by-step explanation:
6,750 rounds up to 7,000
In 4 hours they will be 400 miles apart 4 times 55 is 220 and 4 time 45 is 180 since there going in opposer directions add the miles together and it equals 400 so it takes 4 hours
A because cmon its tuesday
lol no thats not the reason but im very too very sure that this is the answer