The number of minutes spent by two students, X and Y, exercising every day in…

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Horizontal bar chart of daily exercise minutes for X (hatched bars) and Y (solid black bars), Monday through Sunday, on a 0–80 minute scale. Values are: Monday X 45 and Y 70; Tuesday X 55 and Y 65; Wednesday X 60 and Y 50; Thursday X 60 and Y 55; Friday X 20 and Y 35; Saturday X 60 and Y 50; Sunday X 55 and Y 65. The legend identifies the hatched bars as X and black bars as Y.

The number of minutes spent by two students, X and Y, exercising every day in a given week are shown in the bar chart above.

The number of days in the given week in which one of the students spent a minimum of 10% more than the other student, on a given day, is

  1. A.

    4

  2. B.

    5

  3. C.

    6

  4. D.

    7

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Correct answer: C

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