I’m sorry but you didn’t show the answers possiblites so I can’t answer your question
<span>4 hours after they leave Houston.
Easiest way to solve this problem is to first calculate the relative velocities of the two buses. Since they're traveling in opposite directions, you simply need to add their respective velocities to see what the relative velocity is between them.
55 mi/h + 45 mi/h = 100 mi/h
That means that the buses will increase their distance apart from each other by 100 miles for every hour that they travel. So divide 400 miles by 100 miles/hour
400 miles / 100 miles/hour = 4 hours.
So 4 hours after the buses start moving, they will be 400 miles apart from each other.</span>
Answer:
a
Step-by-step explanation:
1 m = 1,000 mm .
800 m = 800,000 mm
That's 1 mm more than 799,999 mm.
