Answer:
s=5c+20
Step-by-step explanation:
hope this helps
200 copies must be sold
n= number od newsletters
0,50*n+300=2,00*n
300=1,5*n
Divide both sides by 1,5
200=n
0,50*200+300=2*200
100+300=400
400=400
7.5in
Given , substitute what is in the parentheses for to find an output.
For , the term is in the parentheses. Thus, substitute into to find :
8
Substitute the equation and values into the average rate of change formula.
i think ur right or letter b butu not c