Homework Help: math

Posted by justin on Tuesday, December 4, 2012 at 2:46am.

Supppose two trains leave Holbrook, Arizona, at the same time, traveling in opposite directions. One train travels 10 mph faster than the other. In 3.5 hours, the trains are 322 miles apart. Find the speed of each train.

math - Reiny, Tuesday, December 4, 2012 at 7:55am
slow train --- x mph
faster train -- x+10

in 3.5 hrs,
slow train went 3.5x
fast train went 3.5(x+10)

solve for x:

3.5x + 3.5(x+10) = 322

Answer this Question

Related Questions

math - 2 trains leave the same train station at the same time, one train travels...
math - Two trains depart at the same time from the same station and travel in ...
math - Two trains depart at the same time from the same station and travel in ...
trig - two trains leave Kansas City at the same time. Train A is traveling due ...
Math - Train A and train B leave station going in opposite directions. Train B ...
Algebra - Two trans leave Chicago going opposite directions, one going north and...
math algebra - Trains A and B are traveling the same direction on parallel ...
Algebra - Trains A and B are traveling in the same direction on parallel tracks...
math - 2 trains going opposite directions leave at the same time. Train b is ...
math - i cannot seem to make this work. If two trains leave the station at the ...

For Further Reading

First Name:
School Subject:
Answer: