brian has 23 coins in his pocket. All the coins are either dimes or quarters. the total value of the coins is $4.70. how many of each type of coin does brian have?
- Define two variables to represent the unknowns in the problem and write a system of equations to represent the problem.
- Solve the system of equations using the method of your choice. Show all work.
- Describe the meaning of this solution in terms of the original problem.