10 runners ran fewer than 4 km
Step-by-step explanation:
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1. 196
2. 625
3 . 429
Hi , the answer is 600 , because 3920 miles divided by 420 minutes[7hours] equals to 9.33 and 9.33 times 60 minutes[1 hour] equals to 559.8 , which is an approximate of 600.