SOLUTION: the freight train took 10 hours to make the same trip the express train made in 6 hours. Find the speed of the express train if it was 20 mph faster than the freight train

Question 878671: the freight train took 10 hours to make the same trip the express train made in 6 hours. Find the speed of the express train if it was 20 mph faster than the freight train
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
The trip distance is d.
Freight train's speed is r.

______________speed________time________distance
freight_______r_____________10_________d=r*10
express_______r+20___________6_________d=(r+20)*6

EQUAL DISTANCE TRIP!
RELATED QUESTIONS
The express train made the trip in 20 hours. The freight train took 25 hours because it... (answered by Theo,josgarithmetic,greenestamps)

A freight train takes 18 hours to travel the same distance that an express train travels... (answered by Alan3354)

the fast freight train made the trip in 6 hours. The next day the slow freight train made (answered by nerdybill)

On Tuesday the express train made the trip in 12 hours. On Wednesday the freight train... (answered by lwsshak3)

An express train and a local train leave Kingston to travel to Negril. The express train... (answered by ikleyn)

The average speed of an express train is 14 miles per hour more than 1/3 the speed of a... (answered by scott8148)

An express train travels 150 km in the same time that a freight train travels 100km. The... (answered by stanbon)

An express train and a charter bus leave Chicago to travel to Champaign. The express... (answered by ikleyn)

A passenger train leaves the train depot four hours after the cargo train traveling in... (answered by stanbon)