Lucas is selling ribbons to raise money for the Juvenile Diabetes Research Foundation. His expenses include $46 for materials, plus $0.02 per ribbon. If Lucas charges $0.25 per ribbon, how many ribbons does he need to sell to break even? 1.Write a system of equations that represents the situation.
a. Let x represent the number of ribbons, and let y represent the expense or revenue.
2. Solve the system of equations.