yaya111601
12.11.2020 •
Mathematics
44. Time to Complete a Task Two machines can complete a task in t hours, where t must satisfy the equation t/8+t/12 = 1. How long will it take for the two machines to complete the task?
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Ответ:
5 h 48 min
Step-by-step explanation:
t/8+t/12=1
=> 3t+2t =24
5t=24
t=24/5
t=5 and 4/5 h
That equal to 5 h and 8/10 h or 5h and 8*6 min
So the answer is 5 h 48 min
Ответ: