SOLUTION: A train travels 250 km at the speed of 60 km/hr and arrives ten minutes late later than schedule. At what speed (in km/hr) should it travel to arrive exactly on time ?

Question 521407: A train travels 250 km at the speed of 60 km/hr and arrives ten minutes late later than schedule. At what speed (in km/hr) should it travel to arrive exactly on time ?
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
let the original speed be x
t=d/r
time taken - scheduled time = 1/4 hour

(250/60)-(250/x)=1/4
LCD = 60 x
250x-250*60=60x/4
multiply by 4
1000x-1000*60=60x
960x=60000
/960
x= 62.5 km/h
RELATED QUESTIONS
A train travels 250 km at the speed of 60 km/hr and arrives ten minutes later than... (answered by Alan3354,josmiceli,MathTherapy)

If a train travels at the speed of 45 km/hr, it is late by 48 minutes. If it travels 50... (answered by ankor@dixie-net.com)

In a race of two cars, the first car travels at a speed of 20 km/hr whereas the second... (answered by richwmiller)

I traveled 180 km at the speed of 45 km/hr and arrived 15 minutes late. at what speed in... (answered by josmiceli)

Airplane A travels 2800 km at a certain speed. Airplane B travels 2000 km at a speed 50... (answered by ptaylor)

A cyclist has to make a 30km trip. She leaves 3 minutes late, but travels 1km/hr faster... (answered by mananth)

what is the time traveled of a train if it went 250 km at a speed of... (answered by Alan3354)

An aeroplane left 30 minutes later than it schedule time and in order to reach its... (answered by MathTherapy)

if a train travels from a to b at 100 km/hr and returns at 20 km/hr, what is the average... (answered by MathTherapy)