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MGSM / Marissa is hiking a 12-mile trail. She took 1 hour to walk the first 4 miles,…

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question

Marissa is hiking a 12-mile trail. She took 1 hour to walk the first 4 miles, then another hour to walk the next two miles. If she wants her average speed to be 4 miles per hour, what speed (in miles per hour) does she need to walk the remaining distance?

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task_id: 2ea384b9-aacc-552b-b067-32ed4faa0a8b
task_key: en--test--2ea384b9-aacc-552b-b067-32ed4faa0a8b
task_revision_id: 2
config / split: en / test

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