# Math

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Marla begins walking at 3 mi/h toward the library. Her friend meets her at the halfway point and drives her the rest of the way to the library. The distance to the library is four miles. How many hours did Marla walk?

• Math -

Half the distance. They said so. The walking speed does not matter.

• Math -

Marla walked 2 miles at 3 miles/hour.

so her time walking was 2/3 hours or 40 minutes

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