Answer:
Step-by-step explanation:
<u>Direct relationship formula:</u>
<u>Finding the coefficient k based on given:</u>
<u>For x = 5 we get the value of y:</u>
Answer is 20 books over 5 months
10 :) I had this, EZ now :)
The sales tax was $3.49.
First, you just subtract 69.78 from 100, and you get 30.22. Then you subtract 26.73 from 30.22 and you get 3.49.
Hope that helped!