SOLUTION: can you please explain this clearly i need to unserstand this for my final!! thank you!! a jet ski can go 12 mph in still water.if a rider goes upstream for 5 hours against a c

Question 199579: can you please explain this clearly i need to unserstand this for my final!!
thank you!!
a jet ski can go 12 mph in still water.if a rider goes upstream for 5 hours against a current of 5 mph how long will it take for thee rider to return?

Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
(12-5)(5)=35mi
35/(12+5)=2.06hr