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Mathematics, 09.03.2020 05:06 izzyisawesome5232
Dave is training for a big race. Today, he ran 14 miles in 2 hours. After running the first nine miles at certain speed, he increases his speed by 4 miles per hour. What is Dave's running speed for the first 9 miles.
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Dave is training for a big race. Today, he ran 14 miles in 2 hours. After running the first nine mil...
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