Each day, you can count on making $15 by selling one shirt, and you will sell each batch of cupcakes for $6.75. However, it costs money to make cupcakes. To run your electricity and pay your employees

Each day, you can count on making $15 by selling one shirt, and you will sell each batch of cupcakes for $6.75. However, it costs money to make cupcakes. To run your electricity and pay your employees, it will cost you $250 each day. Also, it costs money for the ingredients that you need to make the cupcakes. For every batch of cupcakes, you will spend .50 on ingredients. Write a system of equations for the situation.

I know all of the variables in the word problem but i just need help forming the equation.