SOLUTION: Kyle drove 285 miles to Jackson. For the first 3 hours, he drove at one speed. While in the last 2 hours, he decreased his speed by 10 mph. How fast was he going in each leg of the

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Question 1018097: Kyle drove 285 miles to Jackson. For the first 3 hours, he drove at one speed. While in the last 2 hours, he decreased his speed by 10 mph. How fast was he going in each leg of the trip?
Answer by Alan3354(69443) About Me  (Show Source):
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Kyle drove 285 miles to Jackson. For the first 3 hours, he drove at one speed. While in the last 2 hours, he decreased his speed by 10 mph. How fast was he going in each leg of the trip?
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d = r*t
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r = rate 1st 3 hours
285 = 3r + 2(r-10)
5r - 20 = 285
r = 61 mi/hr for 3 hours
51 mi/hr for 2 hours