Friday

April 18, 2014

April 18, 2014

Posted by **treena** on Friday, January 4, 2013 at 12:53pm.

- math -
**Steve**, Friday, January 4, 2013 at 3:44pmdistance = speed * time

2.5(x+x+12) = 330

2x+12 = 132

2x=120

x=60

so, southbound speed is 60, northbound is 72

after 2.5 hours, the trains have traveled 150 and 180 miles, respectively.

**Related Questions**

Algebra - Two trans leave Chicago going opposite directions, one going north and...

Algebra 1 - Two bullet trains leave the station at the same time traveling in ...

Math - Train A and train B leave station going in opposite directions. Train B ...

Math - An eastbound train and a westbound train meet each other on parallel ...

math - Train A is 12 mph slower than train B. Train A travels 230 miles in the ...

math - Train A is 12 mph slower than train B. Train A travels 230 miles in the ...

Math - the speed of train A is 16 mph slower than the speed of train B. Train A...

math - train A and train B traveling same direction. train A passes station 9:20...

algebra - train A and B are traveling in the same direction on parallel tracks. ...

algebra - tains A and train B are travling in the same dicrtion on a parral ...