I would say 465 since they go back and forth twice which is 155 x 3
Answer:
19 days
Step-by-step explanation:
Given
--- initial
-- rate
Required
Days when the fish gets to 30
The function is exponential and as such it follows;

Where x represents the number of days and y the number of fishes
Because the fishes decreases;

So, we have:

Express as decimal


In 



So, we have:

Divide both sides by 150

Take log of both sides

Apply law of logarithm

Make x the subject




<em>Hence, it takes approximately 19 days</em>
7.70 and 7.700 they are all the same since the 7 tenths are still in its place
B
The purple balls constitute 1/3 of the amount of balls there, so you’re that likely to pluck one out.
Answer: we need the table to solve this
Step-by-step explanation: