SOLUTION: A boat moves at a rate of 78 mph in still water. It travels 240 miles upstream in the same time that it takes to travel 280 miles downstream. What is the speed of the current?

Algebra ->  Equations -> SOLUTION: A boat moves at a rate of 78 mph in still water. It travels 240 miles upstream in the same time that it takes to travel 280 miles downstream. What is the speed of the current?       Log On


   

Question 1162710: A boat moves at a rate of 78 mph in still water. It travels 240 miles upstream in the same time that it takes to travel 280 miles downstream. What is the speed of the current?
A) 1 mph
B) 5 mph
C) 4 mph
D) 6 mph
Answer by ikleyn(52778) About Me  (Show Source):
You can put this solution on YOUR website!
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Never saw a boat traveling at 78 mph in still water.