Assignment:
After the bake sale, the Campus Ministry volunteers counted how much money they raised. In addition to the 18 one - dollar bills, the group had $9.50 in quarters, dimes, and nickels. They had twice as many dimes as nickels and 2 more than three times as many quarters as nickels. How many of each coin did they have?
Provide complete and step by step solution for the question and show calculations and use formulas.