Question 1198777: Two cars start from the same point, at 9:45 am, traveling in opposite directions at 45 and 55 mph,respectively. At what time will they be 550 miles apart?
The correct answer is one of the following. Which one is correct?
A) 3:15 PM
B) 3:30 PM
C) 4:15 PM
D) 4:45 PM
Answer by Alan3354(69443)   (Show Source):
You can put this solution on YOUR website! Two cars start from the same point, at 9:45 am, traveling in opposite directions at 45 and 55 mph,respectively. At what time will they be 550 miles apart?
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"respectively" contributes nothing, is superfluous.
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Opposite directions --> the speeds are added.
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d = r*t --- solve for t
Add t to 9:45
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