Answer:
a = 4/27 - b/54
Step-by-step explanation:
27a+1/2b=4
Subtract 1/2 b from each side
27a+1/2b - 1/2 b=4-1/2 b
27a = 4 - 1/2 b
Divide each side by 27
27a/27 = 4/27 - 1/2 b/27
6 cookies left over
The answer would be A and D, I just took the quiz
83 Tenths
830 hundreths
8.30=8.3 Remove the points and they will give you how many tenths or hundreths
(hope this helps can i plz have brainlist :D hehe)
