I THINK there is a typo. Instead of "for problems each day", i think it's "four problems each day."
Anyway, we need to find how many days it takes Jeremy to complete the paper.
If he completes 8 problems on the first day and 4 on the rest of the days, after the first day he'll have 28 - 8 = 20 more problems.
And since he does 4 every day with 20 problems: 20 / 4 = 5 days.
It would be 1 copy, and would cost $42.
39+3(1)=42$
30+12(1)=42$
39+3x, 30+12x are the equations
The area covered by the advertisement on the page is
.
<h3>What is the definition of area of a rectangle?</h3>
The area of a rectangle covers is the space it takes up inside the boundaries of its four sides. The dimensions of a rectangle determine its area. In general, the area of a rectangle is equal to the product of its length and breadth of the rectangle.
The formula of area of rectangle is

let the given page represents a rectangle.
We take the length of the advertisement is
unit and breadth of the advertisement is
unit.
The area of the advertisement 

Therefore, the area covered by the advertisement on the page is 
To learn more about area of a rectangle from the below link
brainly.com/question/25292087
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Answer: whats the question?
Step-by-step explanation:
Answer:
s = 1
Step-by-step explanation:
Only when s = 1, then 11 + 4*s is going to be smaller than or equal to 25, which is 15. And when s = 6, 5, 12, it will be 35, 31, 59 which will be significantly larger than or equal to 25.