A boat traveled 180 miles downstream and back. The trip downstream took 10 hours. The trip back took 30 hours. Find the speed of the boat in still water and the speed of the current.

Solve each system using any method

3 answers

d=v*t
180=(vb-vs)*30
180=(vb+Vs)*10

6=vb-vs
18=vb+Vs

24=2Vb
vb=12 mil/hr
vs=you do that.
uk some kind of elaboration would be greatly appreciated by many.
other than that its cool