SOLUTION: Junior’s boat will go 15 miles per
hour in still water. If he can go 12 miles downstream in the
same amount of time as it takes to go 9 miles upstream,
then what is the speed of
Algebra.Com
Question 329308: Junior’s boat will go 15 miles per
hour in still water. If he can go 12 miles downstream in the
same amount of time as it takes to go 9 miles upstream,
then what is the speed of the current?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Rate*Time=Distance
.
.
.
Let W be the speed of the current,
.
.
.
1.<-- with the current
2.<--- against the current
From eq. 1,
From eq. 2,
Add those two results,
Then from eq. 1,
mph
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