Well actually number nine shows a fraction. There is no percent shown.
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)
Answer:
96
Step-by-step explanation:
eighth multiple of 12 = 12 * 8 = 96