Aschool choir needs to make t-shirts for its 75 members and has set aside some money in their budget to pay for them. the members of the choir decided to order from a printing company that charges $3 per shirt, plus a $50 fee for each color to be printed on the shirts.

write an equation that represents the relationship between the number of t-shirts ordered, the number of colors on the shirts, and the total cost of the order. if you use a variable, specify what it represents.