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stich3 [128]
3 years ago
5

Rocio leaves point A traveling due east at 40 miles per hour. At the same moment, Li leaves point A traveling due west at 50 mil

es per hour. After how many hours will they be 405 miles apart?)
Mathematics
1 answer:
Afina-wow [57]3 years ago
3 0
Their speed of separation will be equal to the sum of their speeds because they are in opposite directions.
Speed of separation = 40 + 50 = 90 miles per hour

Time = distance / speed
Time = 405 / 90
Time = 4.5 hours
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