Marcus and Cody want to hike to a destination 12.0 km north of their starting point. Before

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Question:

Marcus and Cody want to hike to a destination 12.0 km north of their starting point. Before heading directly to the destination, Marcus walks 5.0 km in a direction that is 30.0^∘ north of east and Cody walks 15.0 km in a direction that is 45.0^∘ north of west.

How much farther must each hike on the second part of the trip?