Mathematics, 18.03.2020 17:27 lifeisgaming37

Tomorrow joelle wants to travel a total of 4 miles by walking and running. she plans to run for 20 minutes at a rate of 6 miles per hour. how many minutes should she's walk at a rate of 3 miles per hour to finish traveling the 4 miles?

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Tomorrow joelle wants to travel a total of 4 miles by walking and running. she plans to run for 20 m...