SOLUTION: If you can could you help me understand this math problem Karen drove 504 miles in 8 hours. At the same rate, how long would it take her to drive 819 miles? I don't understand!

Question 760287: If you can could you help me understand this math problem Karen drove 504 miles in 8 hours.
At the same rate, how long would it take her to drive 819 miles?
I don't understand!
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Karen drove 504 miles in 8 hours.
At the same rate, how long would it take her to drive 819 miles?
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Karen drove 504 miles in 8 hours.
Find the speed.
d = r*t
r = d/t = 504 miles/8 hr
r = 63 mi/hr
===============
At the same rate, how long would it take her to drive 819 miles?
d = r*t (still)
t = d/r = 819 mi/63 mi/hr
t = 13 hours

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