Answer:
20 bottles
Step-by-step explanation:
10*3+b=50
30+b=50
-30 -30
b=20
$16.77
6.99*2.4=16.776
c sorry if im wrong
y = 8
if you do -2 + -2 and add ten to it you get 8
81
9 x 9 = 81
