SOLUTION: A tunnel has a length of 50 km. A car takes 20 min.to travel between the two ends of the tunnel.. What is the average speed for the journey?
A. 2.5 km/h
B. 16.6 k /h
C. 150 km/h
Algebra.Com
Question 1126343: A tunnel has a length of 50 km. A car takes 20 min.to travel between the two ends of the tunnel.. What is the average speed for the journey?
A. 2.5 km/h
B. 16.6 k /h
C. 150 km/h
D. 1000km/h
Answer by FrankM(1040) (Show Source): You can put this solution on YOUR website!
50km/20min = x km/hr
50km/20min = x km/60 min
solve by cross multiplying or by observing, just multiply numerator by 3.
Ans 150km/hr
RELATED QUESTIONS
A tunnel has a length of 50 km. A car takes 20 minutes to travel between two ends of the... (answered by ikleyn)
a train can travel 1km/min,there is a tunnel of length 1km then how much time it will... (answered by ikleyn)
a train travelling at 60 mph takes 6 sec to enter a tunnel and a further 30 sec to pass... (answered by Edwin McCravy)
Hi
a train 128 meters long travelled through a tunnel at an average speed of 18m per... (answered by ikleyn)
A train is travelling at the speed of 96 kilometres per hour. It takes 3 seconds to enter (answered by ankor@dixie-net.com)
An eastbound bicyclist enters a tunnel at the same time a westbound bicyclist enters the... (answered by stanbon)
In order to create tunnels, civil engineers devise plans where tunnel-boring machines... (answered by ikleyn)
most tunnels are drilled using tunnel-boring machines that begin at both ends of the... (answered by ankor@dixie-net.com)
A semicircular tunnel has a radius of 26 ft. The highway 48 ft wide is centered under the (answered by ikleyn)