genyjoannerubiera
16.08.2020 •
Mathematics
There is a job that needs to be done. Bob can complete the job in 10 days alone, Jeff can complete the job in 15 days alone. Bob and Jeff work together for 4 days. Then Jeff has to finish the rest. How many more days does Jeff need?
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Ответ:
I believe the answer is 9.
Step-by-step explanation:
Then, we must add 5 to the 4 days they worked together.
Jeff needs to work 9 more days to finish.
Hope this helped!
Ответ:
36,72
Step-by-step explanation: