B.
1 hour this is quite simple my man
Answer:
none
Step-by-step explanation:
8-4=4
if every 2 years, 4 gallons disappear
then every 1 year, 2 gallons disappear
meaning that by 5 years there will be no substance left.
(5*2=10)
Zmxmzzmzkzkskxddmxxjygxbdbbfxjchvg
Answer:
10/20 because then it's still a 50 50 chance so the answer it 10
