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QUESTION
Bill is walking away from a streetlight. The light is 8 feet above the ground. Bill wants to use measurements from his shadow to figure out how fast...
Bill is walking away from a streetlight. The light is 8 feet above the ground. Bill wants to use measurements from his shadow to figure out how fast he is walking. He knows his shadow is growing at a rate of 4/9 feet per second. How fast is Bill walking?
