(Answered) How exactly am i suppose to get the average speed formula i

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How exactly am I suppose to get the average speed formula? I see the formula on the sheet is saying to use mi/h but what number do I plug in for this? Also is the avg t correct, if not can someone please help me?

Name Distance (m) t₁(s) t₂(s) t₃(s) Avg. t (s) Avg. speed (m/s) Avg. speed(mi/h)

Opps 20m 1.12 1.20 1.15 1.16 17.24

Ez 20m 1.70 1.73 1.72 1.72 11.63

Daisy 20m 1.62 1.67 1.65 1.65 12.12

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