SOLUTION: it takes a motorboat 1 1/3 hpurs to go 20 miles downstream and 2 2/9 hours to return. find the rate of the current and the rate of the boat in still water.

Question 986512: it takes a motorboat 1 1/3 hpurs to go 20 miles downstream and 2 2/9 hours to return. find the rate of the current and the rate of the boat in still water.

Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
it takes a motorboat 1 1/3 hpurs to go 20 miles downstream and 2 2/9 hours to return. find the rate of the current and the rate of the boat in still water.
------------------
Find the speed up and downstream.
To find mi/hr, divide the miles by the hours.
----
The boat's speed is the average of the 2 speeds.
The current is the difference between boat's speed and speed wrt to the Earth.
RELATED QUESTIONS
It takes a motorboat 1 1/3 hours to go 20 miles downstream and 2 2/9 hours to return.... (answered by richwmiller)

motorboat traveling with the current can go 24 miles in 2 hours. Against the same... (answered by checkley77)

It takes a Kayak 1 1/2 hours to go 24 miles downstream and 4 hours to return. Find the... (answered by ankor@dixie-net.com)

A motorboat can go 48 miles downstream on a river in 1 hour. It takes 1.5 hours for this... (answered by ewatrrr)

The current of a river is 2 miles per hour. It takes a motorboat a total of 3 hours to... (answered by amoresroy)

The current of a river is 2 miles per hour. It takes a motorboat a total of 3 hours to... (answered by Boreal,josmiceli,MathTherapy)

A motorboat traveling with the current can go 36 miles in 2 hours. against the current it (answered by oberobic)

ken makes a 4-mile motorboat trip downstream in 20 minutes ( 1/3 hr). The return trip... (answered by Alan3354)

A motorboat takes 4 hours to travel 192 miles going upstream. The return trip takes 2... (answered by mananth)