SOLUTION: A car travels 300 km at a certain speed. If the speed had been increased by 10 km/h, the trip could have been made in 1 hour or less time. Find the actual speed.
s = d/t
s =
Algebra.Com
Question 416352: A car travels 300 km at a certain speed. If the speed had been increased by 10 km/h, the trip could have been made in 1 hour or less time. Find the actual speed.
s = d/t
s = 300/60 = 50 what about the 10 increase
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = speed without the km/hr increase
(1)
And with the increase in speed:
(2)
-----------------
This is 2 equations and 2 unknowns, so it's solvable
(2)
(2)
The actual speed is 290 km/hr
RELATED QUESTIONS
I am very confused on this problem
The Danville Express travels 280 miles at a certain (answered by scott8148)
A bicyclist traveled 280 km at a certain speed. If the speed had been increased by 5... (answered by nerdybill)
An automobile travels 280 km at a certain speed. If the speed had been 5km/h faster, the... (answered by lwsshak3)
A car travels 910 miles at a certain speed. If the speed had been 5mph faster the trip... (answered by ankor@dixie-net.com)
A bus travels 300 km at a given speed. If the speed is increased to 10km/hr, the trip... (answered by ikleyn,josgarithmetic)
A car travels 1500 miles at a certian speed. If the speed had been 10 mph faster, the... (answered by josmiceli)
The Danville Express travels 280 mi. at a certain speed. If the speed had been increased... (answered by jorel1380)
plz help me find this answer.
A car travels a 750 km journey at an average speed of x... (answered by ankor@dixie-net.com)
A car travels a 750 km journey at average speed of x km/h. If it had increased its speed... (answered by RAY100)