SOLUTION: The boat could travel 112 miles downstream in 4 hours but required 6 hours to travel 48 miles upstream. What was the speed of the boat in still water and what was the speed of the
Algebra.Com
Question 66331This question is from textbook An Incremental Development
: The boat could travel 112 miles downstream in 4 hours but required 6 hours to travel 48 miles upstream. What was the speed of the boat in still water and what was the speed of the current?
This question is from textbook An Incremental Development
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
x+y=112/4 & x-y=48/6
x+y=28 & x-y=8
x=28-y
(28-y)-y=8
28-2y=8
-2y=-20
y=-20/-2
y=10 this is the speed of the current
x+10=28
x=28-10
x=18 the speed of the boat in still water.
proof
18-10=48/6
8=8
RELATED QUESTIONS
I dont even know where to start with this problem. The boat can travel 112 miles... (answered by dabanfield)
A boat on a river travels 48 miles downstream in only 4 hours. It takes the same boat 7... (answered by Katiebug24)
What is the speed of a boat and a current, if a boat travels 48 miles downstream in three (answered by Maths68)
a boat travels 2 miles upstream and 2 miles downstream in 5 hours. in still water, the... (answered by mananth)
sasha can row her boat 5 miles per hour on still water. She could travel 48 miles... (answered by josmiceli)
#1:
The speed of a stream is 6mph
If a boat travels 54 miles downstream in the same... (answered by ewatrrr)
Hypatia could row 90 miles downstream in 6 hours but required 8 hours to row 72 miles... (answered by checkley77)
The riverboat can travel 80 miles downstream in 5 hours but requires 8 hours to travel... (answered by lwsshak3)
A boat travels 36 miles in 4 hours upstream. In the same amount of time the boat can... (answered by checkley77)