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QUESTION
The portion of a student's ballpoint pen that contains the ink is a cylinder with a diameter of 0.400 cm and a height of 11.
The portion of a student’s ballpoint pen that contains the ink is a cylinder with a diameter of 0.400 cm and a height of 11.5 cm. If the ink lasts 7 weeks, what is the volume of ink that the student uses each week?
