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What is the ratio of the average (arithmetic mean) height of students in class X to the average height of students in class Y?
(1)The average height of the students in class X is 120 centimeters.
(2)The average height of the students in class X and class Y combined is 126 centimeters.
(1)The average height of the students in class X is 120 centimeters.
(2)The average height of the students in class X and class Y combined is 126 centimeters.
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