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kaylea88
18.11.2020 •
Mathematics
If Trevor does a job in 392 hours and with the help of Kristen they can do it together in 49 hours, how long would it take Kristen to do it alone?
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Ответ:
229.7
Step-by-step explanation:
8 * 1/2 * 5.8 * 7 * sqrt(2.)