A snack mix requires exactly 120 ounces of some corn cereal (x) and some wheat cereal (y). Corn cereal comes in 10 ounce boxes. The last time you made this mix, you used 6 boxes of corn cereal and 4 boxes of wheat cereal. a. Use the given information to write a standard form equation. b. How many ounces come in a box of wheat cereal? Answer by typing in your equation for part a and using a complete sentence for part b.