Mathematics, 20.09.2020 08:01, 7obadiah

Nikita ran a 5-kilometer race in 39 minutes (0.65 of an hour) without training beforehand. In the first part of the race, her average speed was 8.75 kilometers per hour. For the second part of the race, she started to get tired, so her average speed dropped to 6 kilometers per hour. Which expression represents Nikita’s distance for the second part of the race?

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Nikita ran a 5-kilometer race in 39 minutes (0.65 of an hour) without training beforehand. In the fi...