Louise runs the first half of a race at 5 miles per hour. then she picks up her pace and runs the last half of the race at 10 miles per hour. what is her average speed on the course?

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Ответ:

natalie2sheffield

16.02.2021

Mathematics

Part A:

8t + 5h = 220

t + 5h = 112

Part B:

T-shirt cost $13.50

Hat cost $22.40

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