Use a system of equations to solve this problem. abby filled her goodie bags with 4 cookies and 3 candy bars and spent a total of $10.25 per bag. marissa filled her goodie bags with 2 cookies and 7 candy bars and spent a total of $14.75 per bag. let x = the cost of the cookies. let y = the cost of the candy bars. what is the cost of each cookie and each candy bar? enter your answers, as decimals, in the boxes. $ is the cost of each cookie $ the cost of each candy bar