Step-by-step explanation:
C=4x+3y Constraints: x is greater than or equal to 0 2x + 3y is greater than or equal to 6 3x - 2y is less than or equal to 9 x + 5y is less than or equal to 20
D, because the sum is no more than 28 so it could be equal or less than.
15.334 is the answer hope this helps