A. find the average of both x's for the x value, and the average of both y's for the y value. (-1+7)=3 (3+(-1))=1
Did I understand correctly, the first number is:

?
in other words, this would be:

and if you drink half of it, then we divide this number by 2:

because 30/2=15
so you would have

still more than a daily dose!
Answer:
29 1/3
Step-by-step explanation:
All I did was 1760/60 and got that! I hope its right and I hope this helps!!
D. not enough information to determine
78 is the correct answer.