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Lara and her brothers are painting a wall. Lara paints 2/8 of the wall.
Chuck and Max each 3/8 paint of the wall. How much of the wall do they paint all together?
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of the wall

This size running track is usually called a 400 meter track. however if a person ran as close to the inside as possible on the track they would run less than 400 meters in one lap. how far away from the inside border would someone have to run to make one lap equal exactly 400 meters