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Mathematics 10 Online
OpenStudy (anonymous):

An athlete is running a 5-km race at an average speed of 8 km/h. She has to stop to tie her shoe, which delays her time. After tying her shoe, she continues running at 8 km/h. Why would her average speed for the entire race decrease? A. The total time she took to complete the race increased because she stopped to tie her shoe. B. The total distance she traveled was longer than 5 km C. The total time she took to complete the race decreased because she stopped to tie her shoe. D. The total distance she traveled was shorter than 5 km.

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