Answer:

Step-by-step explanation:
Given : Colleen plans to start a small business .
A sewing machine costs $250,
She will spend $15 on materials for each skirt
To Find :
Expression that represents Colleen’s total costs, in dollars, for making x skirts C(x)
Solution :
Let x denotes the no. of skirts and Sewing machine cost will remain constant
Cost she will spend on each skirt is $15.
⇒
Thus , Expression that represents Colleen’s total costs, in dollars, for making x skirts C(x) is 