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Mathematics 55 Online
OpenStudy (anonymous):

The track and field coach records Ian’s 400-meter race times during three practices. How much greater was the percent of change from Practice 1 to Practice 2 than from Practice 2 to Practice 3? Round to the nearest tenth. Practice 1 2 3 Time (s) 63 60 58 a. 7.9% b. 4.8% c. 3.3% d. 1.5%

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