SOLUTION: Help me solve this word problem please. "A freight train and a diesel train left at the same time. The trains traveled in opposite directions. The diesel train traveled 10km/h fas

Algebra ->  Trigonometry-basics -> SOLUTION: Help me solve this word problem please. "A freight train and a diesel train left at the same time. The trains traveled in opposite directions. The diesel train traveled 10km/h fas      Log On


   

Question 228250: Help me solve this word problem please. "A freight train and a diesel train left at the same time. The trains traveled in opposite directions. The diesel train traveled 10km/h faster than the freight train. After one hour they were 140 km apart. Find the freight train's speed.
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
65 kmph
75 kmph
2x+10=140
2x=130
x=65 kmph freight
x+10=75 kmph diesel