<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.
For bad software, probably a virus/malware/ransomware kind of thing. If it is good software, probably a program that organizes your files, adjusts certain things, but do not record your files (no programs are at the top of my head, sorry).
Perhaps I’m being 5tup1d but I think your describing open source soft in general. Linux and a lot of periphery that runs on Linux is open source so it did play a large role being that it’s not proprietary like Windows and windows adjacent soft.
Answer: 33
7 times 4 is 28 add the left over 5 makes 33 people
A disk optimization program, but they're probably looking for defragmenting program.
