SOLUTION: You are on a 5-hour trip, and your speed for the first two hours only averaged 58 mph because of slow traffic. How fast must you drive for the last 3 hours to average 65 mph for th
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Question 449401: You are on a 5-hour trip, and your speed for the first two hours only averaged 58 mph because of slow traffic. How fast must you drive for the last 3 hours to average 65 mph for the entire trip?
Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
2(58)+3x/5=65
116+3x=325
3x=209
x=69 2/3mph
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