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02-11-2022
Mathematics

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tina is training for a biathlon. to train for the running portion of the race, she runs 8 miles each day over the same course. the first 2 miles of the course is on level ground, while the last 6 miles is downhill. she runs 3 miles per hour slower on level ground than she runs downhill. if the complete course takes 1 hour, how fast does she run on the downhill part of the course? she runs the downhill portion of the course at miles per hour.

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