a. It is important to label all your variables and expressions clearly because: it will help you get your equations set up c. it will solve a system of equations correctly b. it will check your answers d. it will allow you to find definitions better

I'm pretty sure it's A. It will help you get your equations set up correctly

Step-by-step explanation:

For anyone needing this answer in the future lol

the least common denominator is 40

step-by-step explanation:

milk=16 large

soda=280 kids

juice box=82 regular

63 soda +63 regular

124 large total