Check out the picture I've got the full explanations on there
Hope it's clear
Answer:
18,000,000 microorganisms
Step-by-step explanation:
250,000 x 24 x 3
Answer: 4 hours
Step-by-step explanation:
5 hours is 300 minutes. 20% of 300 is 60. 300-60 is 240 minutes which is 4 hours.