SOLUTION: On a weekend outing, Charles rents a motorboat for 10 hours to travel down the river and back. The rental operator tells him to go for 4 hours downstream, leaving 6 hours to return
Algebra.Com
Question 874896: On a weekend outing, Charles rents a motorboat for 10 hours to travel down the river and back. The rental operator tells him to go for 4 hours downstream, leaving 6 hours to return upstream.
If the river current flows at a speed of 5 mph, how fast must Charles travel in order to return in 10 hours?
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
Boat speed speed x mph
current speed 5 mph
..
against current x- 5
with current x+ 5
..
against current 6 hours
with current 4 hours
Distance is same. D=r*t
6 ( x - 5 ) = 4 ( x + 5 )
6 x - 30 = 4 x + 20
6 x - 4 x = 30 + 20
2 x = 50
/ 2
x = 25 mph
Boat speed speed = 25 mph
RELATED QUESTIONS
On a weekend outing, charles rents a motorboat for 10 hours to travel down the river and... (answered by ewatrrr)
On a weekend outing, Carlos rents a motorboat for 10 hours to travel down the... (answered by Theo)
on a weekend outing, bernard rents a motorboat for 10 hours to travel down the river and... (answered by dealkit)
On a weekend outing, Manuel rents a motorboat for 6hrs to travel down the river and back. (answered by w_parminder)
On a weekend outing, carlos rents a motorboat for 8 hrs to travel down the river and... (answered by richwmiller)
It takes a motorboat 4 hours to travel 56 miles down a river, and 3 hours longer to make... (answered by stanbon)
Use two equations in two variables to solve the application.
It takes a motorboat 4... (answered by solver91311)
A motorboat can go 48 miles downstream on a river in 1 hour. It takes 1.5 hours for this... (answered by ewatrrr)
In two hpurs, a motorboat can travel 8 miles down a river and return 4 miles back. If... (answered by ankor@dixie-net.com)