Yes, the distance a sailfish swims propotional to the number of hours it swims
Well, if the radius is 10, then the circumference is

What's the unit? Either way, 22 rev. per minute means each minute you go by

units per second. Now you got the linear speed, just find out the time by dividing the distance by the speed!
So, what's the unit for the radius?
Since PB' = (3/5)*PB, the scale factor is 3/5, the 2nd choice.
As given by the question
There are given that the profit of $16 milonin 2018 and $24 milion in 2019.
Now,
To find the profit,

Then,

Hence, the correct option is C.