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:

The answer is 10
10-1=9
9*8=72
Answer:
= 225
Step-by-step explanation:
3 × 3 × 5 × 5
= 3² x 5²
= 9 x 25
<em><u>= 225</u></em>
Answer:
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Step-by-step explanation:
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