If you assume doubling the workers will halve the time taken to finish then 12 analysts will take 21 days
To finish in 7 days (1/6 of 42 days) you would need 6 x the original number = 36 analysts.
Brook’s Law (see Wikipedia) suggests than adding extra analysts will actually slow the project down!
One reason is the extra people tend to get in each others way.
Hey there!
<h2>
ANSWER: 
</h2><h2>
EXPLANATION:</h2>

Simplify both sides and you get:

Now add 5 to both sides and you get:

Now you have to multiply both sides and you get:

Hope this helps!

Depends on what's wrong BC u could need to just use valve oil but there r some cases were u need to take it to the shop