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prettygirllniyiaa
28.06.2019 •
Mathematics
Acompany has two large computers. the slower computer can send all the company's email in 60 minutes. the faster computer can complete the same job in 40 minutes. if both computers are working together, how long will it take them to do the job? do not do any rounding.
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Ответ:
If both computers are working together, it will take 24 minutes to do the job
Step-by-step explanation:
It is given that,
There are two computers.The slower computer can send all the company's email in 60 minutes.
The faster computer can complete the same job in 40 minutes
To find the LCM of 40 and 60
LCM (40, 60) = 120
To find efficiency of 2 computers
Let x be the efficiency of faster computer and y be the efficiency of faster computer
x = 120/40 = 3
y = 120/60 = 2
then, x + y = 3 + 2 = 5
Therefore efficiency of both the computer work together = x + y =5
To find the time taken to work both the computer together
time = 120/5 = 24 minutes
Ответ: