Answer:
Step-by-step explanation:
50% of 40 is 20.
40/2 =50.
Just divide the number by 2 anytime it asks for 50%.
In the y=mx+b format or a linear equation, this would be y=15x+25
Answer:
C(x)=25x+6000
b=2250
Step-by-step explanation:
C(x)=mx+b
m-marginal cost
x-no items
finding B
C(x)mx+b
6000=25(130)+b
b=2250
General substitution
C(x)=25x+6000