Paddling with the current, a group of kayakers traveled 9 miles in 2 hours. Paddling back, they traveled 4 miles in the same amount of time. What was the speed of the current and the speed of the kayakers in still water?

72

Step-by-step explanation:

if u multiply 9 and 2 it makes 18 so multiply 18 and 4

Step-by-step explanation:

Let s - speed in still water, c - speed of current.

We have the following equations:

Simplify:

Add up and solve for s:

Find c: