The solutions would be 3 and 9
Let d represent number of days and n represent number of workers.
We have been given that when building a house, the number of days required to build varies inversely with with the number of workers.
We know that the equation
represents the relation where y is inversely proportional to x and k is the constant of proportionality.
So our required equation would be 
Upon substituting our given values, we will get:



Since constant of proportionality is 665, so our equation would be
.
To find the number of days it will take to build a similar house with 5 workers, we will substitute
in our equation as:


Therefore, it will take 133 days for 5 workers to build a similar house.
Any angle that would be less than 80 degrees would be known to be called an "Acute Angle". Therefore, your correct answer would then be known to be called an Acute Angle.
I hope this helps you!
Answer:
<h2>Ray.</h2>
Step-by-step explanation:
The statement is the definition of a ray.
In geometry, a ray is half of a line, beacuse it begins at specific point and extends to the infinite, while a line extends from an infinite point to an another infinite point. So, basically, the difference is that a ray starts at a determined point, while a line doesn't.
Therefore, the answer is Ray.