Mathematics, 15.05.2020 20:57, dzepeda061

Elena went on a 6-mile walk. She completed the first half of the walk 1 mi/h faster than usual and the second half of the walk 2 mi/h slower than the first half. If it took 7.2 h to complete the walk, what is her usual rate?

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Elena went on a 6-mile walk. She completed the first half of the walk 1 mi/h faster than usual and t...