Marla begins walking at 3 mih toward the libraryHer friend m

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 4 miles.How many hours did Marla Walk.

Solution

Maria Walking DATA:
rate = 3 mph ; distance = 2 miles
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Equation:
time = distance/rate = 2/3 hr