Answer:
The meaning of the solution to the equation C(x) = 40 is how many scarves could Jenna sell to mahe 40 dollars. Here, I helped solved the answer, which is 5 scarves
Step-by-step explanation:
C(x) = 4x + 20
d. If C(x) = 40
  then 40 = 4x + 20
  and 4x = 40 - 20
      4x = 20
       x  = 5
The meaning of the solution to the equation C(x) = 40 is how many scarves could Jenna sell to mahe 40 dollars. Here, I helped solved the answer, which is 5 scarves