This is an arrangement of data, usually in rows and columns. It is called a _ _ _ _ _.
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Let the number of times she turns the pedal in one mile be x.
Given that her rear miles turns 875 times in one mile and the ratio of pedal turns to rear wheel turns is 4 to 7, then
Therefore, she turns the pedal 500 times in one mile.
Given that her rear miles turns 875 times in one mile and the ratio of pedal turns to rear wheel turns is 4 to 7, then
Therefore, she turns the pedal 500 times in one mile.