Cooper's wallet is full of $5 and $10 bills. He has 25 bills totaling $230. How many of each bill does he have? Let x represent the number of five-dollar bills and let y represent the number of ten-dollar bills. A) Write a system of equations for this problem: B) Solve the problem on paper. C) What is the solution to the system of equations: Cooper has five-dollar bills and ten-dollar bills in his wallet. :: x + y = 25 5x+10y= 230 x+y=230 :: 5x + 10y = 25 :: 10x+5y = 25 ::10x+5y = 230 :: 4 21 :: 20 :: 5 :: 8 17