<em><u>Answer</u></em>
5 hours
<em><u>Explanation</u></em>
The two working together can finish a job in

Also, working alone, one machine would take one hour longer than the other to complete the same job.
Let the slower machine working alone take x hours. Then the faster machine takes x-1 hours to complete the same task working alone.
Their combined rate in terms of x is

This should be equal to 20/9 hours.

Multiply through by;





Factor to get:


It is not feasible for the slower machine to complete the work alone in 4/9 hours if the two will finish in 20/9 hours.
Therefore the slower finish in 5 hours.
The term "RDBMS" stands for <span>relational database management system.
I hope this helped! :)</span>
A world have 2^128 (340 undecillion) of IPv addresses that helps to connect to the internet. IPv6 addresses can make it easier for working organizational teams connecting to the Internet, IP addresses that are created by IPv6 are 128 bits.
<h3>What is internet?</h3>
Internet is the system uses the Internet protocol suite (TCP/IP) and interconnected computer networks that communicate between two or more individuals.
Today, almost 20 IP addresses are taken by7 each home for each electronic device. The internet usage is so wide, that even a simple task is not possible without it. Even a simple task can be done using internet.
Learn more about internet.
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