Answer:
12
Explanation:
240/20 = 12
216/18 = 12
168/14 = 12
108/9 = 12
then:
the constant of proporcionality is:
14
Divide the number of laps by the number of swimmers for one of the rows. I did 108/9. You can double check by doing a second row. I did it wrong the first time sorry. That’s why you double check
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