A motorboat travels 140 kilometers in 5 hours going upstream. It travels 210 kilometers going downstream in the same amount of time. What is the rate of the boat in still water and what is the rate of the current?

  n=   0.0000 - 0.3750 i  

  n=   0.0000 + 0.3750 i

step-by-step explanation:

one of these should be correct

x equals 1

step-by-step explanation:

f(4)=f(×)

x=1

wait nvm i know the correct answer now its 100%   81 square feet

~batmans wife dun dun