How do you write 192.875 as a fraction?
2 answers:
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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:
Ok, to check back on what the measure of a radian is, it is 57.3 degrees. So it would be about .78
radians