Answer:
20 newspapers
Step-by-step explanation:
First create an equation.
y = 0.75x + 45
Now substitute 60 y and solve for x.
60 = 0.75x + 45
60 - 45 = 0.75x + 45 - 45
15/0.75 = 0.75x/0.75
x = 20 newspapers
The function of f(x) is 20 for the middle problem idk the others
Her profit was 0.24 cents. Hope this helps!
I think we cannot find the sum because it will continue on so the series is multiply by 4
I think the answer is 12,0000