SOLUTION: tara and brian leave a concert at 11:30 pm. they travel in opposite directions. tara drives 55 miles per hour and brian drives 45 miles per hour. at what time will they be 150 mile
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Question 271816: tara and brian leave a concert at 11:30 pm. they travel in opposite directions. tara drives 55 miles per hour and brian drives 45 miles per hour. at what time will they be 150 miles apart? 12, 12:10, 1 or 1:20?
I think you need to use the distance formula d=rt but i am stuck.
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
they are separating at a speed of 100 mph (55 + 45)
it takes 3/2 hr (150 / 100) for them to be 150 mi apart
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