Answer:-20
Step-by-step explanation:
The answer is 220 calories per serving because 1760/8=220
The 4th one because when you divide 270 by 15 you get 18 and when you also divide 135 by 7.5 you get 18 when something is proportional you get the same answer
X = [-b +- sqrt(b^2-4ac)]/2a