Answer:
-2? maybe
Step-by-step explanation:
Answer:

Step-by-step explanation:
Let
C(t) ---->the total cost of the electrician's services in dollars
t ---> the number of hours
we know that
The linear function in slope intercept form is equal to

where
m is the slope or unit rate
b is the y-intercept or initial value
In this problem we have
the y-intercept is equal to
----> set fee
we have the ordered pair (2,250)
substitute the given values

Solve for m



The linear function is equal to

You question has no background information
To find the number of books she can read in one month, we do 8/2 to find that she can read 4 books per month.
Then we can do 12/4 to see how many months it took to read 12 books
12/4=3 months
Hope this helps