Answer:
ft
Step-by-step explanation:

Answer:
with what?
Step-by-step explanation:
there's nothing there? srry?
Answer:
Rate in still water = 27.5 mph
Current's rate = 12.5 mph
Step-by-step explanation:
Let
x mph = row team rate in still water
y mph = current's rate
<u>Upstream:</u>
Distance = 30 miles
Time = 2 hours
Rate = x - y mph
Then

<u>Downstream:</u>
Distance = 30 miles
Time = 45 minutes
hour
Rate = x + y mph
Then

From the first equation:

From the second equation:

Add these two equations:

Subtract these two equations:

Answer:
Rounded, 5.4
Explanation:
5^2 + 2^2 = c^2
25 + 4 = c^2
29 = c^2
5.4 = c