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Mazyrski [523]
3 years ago
12

Working together, it takes two computers 20 minutes to send out a company's email. If it takes the slower computer 45 minutes to

do the job on its own, how
long will it take the faster computer to do the job on its own?
Mathematics
1 answer:
11Alexandr11 [23.1K]3 years ago
6 0

Answer:

36 minutes

Step-by-step explanation:

Let the productivity of slower computer is x bits/min

That means Slower computer in 45 minutes sends   x*45 bits= company's email

Let the productivity of faster computer is y bits/min

That means that working together slower and faster computers send

x*20+y*20= company's  email or

x*20+y*20=x*45

x*25=y*20

y/x=25/20= 1,25

That means that faster computer sends the mails 1.25 times  faster than slower computer

So faster computer  will need in 1.25 times lees time than slower computer to do this job

45:1.25 =36 min

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