Step-by-step explanation:
The spores always x3 after a month so going a month back they ÷3 instead so 900÷3 is 300 spores on the first month
Answer:
90
Step-by-step explanation:
600(.15) = 90
Answer:
The answer: 1/10x (k-7)
Step-by-step explanation:
Answer:
0;3,6;9................................
