Asked by jenn
A boat travels from one port A to port B, travelling 126 km, upstream (against the current) at a uniform speed, and the trip takes 6 hours. On the way back (downstream), the trip only takes 4.5 hours.
Set up and solve a system of equations to find out the speed of the boat in still water and the speed of the current.
Let b = speed of boat km/h
Let c = speed of currrent in km/h
----------------------------------
How would I solve this? I'm having trouble setting up equations.
Set up and solve a system of equations to find out the speed of the boat in still water and the speed of the current.
Let b = speed of boat km/h
Let c = speed of currrent in km/h
----------------------------------
How would I solve this? I'm having trouble setting up equations.
Answers
Answered by
Steve
the distance traveled is the same: 126 km. So, since distance = speed * time,
6(b-c) = 126
4.5(b+c) = 126
6(b-c) = 126
4.5(b+c) = 126
Answered by
jenn
Oh okay. Now I'll try to solve it and can you let me know if my answer will be right?
Answered by
jenn
I got b=24.5 and c=3.5
Do you want to see my work as well?
Do you want to see my work as well?
Answered by
Steve
nah - that's what I got.
Answered by
jenn
Thank you so much! It's just that I have trouble making the equations. I can do it r simpler problems bit it gets difficult for me
Thank you!!!
Thank you!!!
Answered by
jo
i hat math
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.