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jsmn7438
01.02.2020 •
Mathematics
Ed is planning daily walking workouts on the same distance of 12 km in the morning and in the evening. usually he is walking at constant rate, however he planned his rate to be 1 km/h more in the morning than in the evening. given he is willing to spend 5 hours and 24 minutes daily on these workouts, what should his morning rate be, in km/h?
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Ответ:
5 km/h
Step-by-step explanation:
Let x km/h be Ed's rate in the evening, then x+1 km/h is his rate in the morning. It takes him
In total, it takes him 5 hours 24 minutes (
hours), then
Solve this equation:
Ed's rate cannot be negative, thus x=4 km/h. His morning rate is x+1=5 km/h.
Ответ:
step-by-step explanation:
just ask another student lol