Sunday

December 21, 2014

December 21, 2014

Posted by **todd** on Friday, June 22, 2012 at 7:33am.

of a freight train. The passenger train travles 300 miles in

the same time it takes the freight train to travel 220 miles.

find the speed of each train

- algebra -
**Reiny**, Friday, June 22, 2012 at 8:16amspeed of freight --- x mph

speed of passenger --- x+16 mph

freight can go 220 miles in 220/x hours

pass. can go 300 miles in 300/(x+16) hrs

but those times are the same ....

220/x = 300/(x+16)

cross-multiply

300x = 220x + 3520

80x = 3520

x = 44

the freight goes 44 mph and the passenger train goes 60 mph

**Answer this Question**

**Related Questions**

algebra 1b - the speed of a passenger train is 18mph faster than the speed of a ...

MATH Algebra - The speed of a passenger train is 6 mph faster than the speed of ...

Algebra - The speed of a passenger train is 20 mph faster than the speed of a ...

algebra - the speed of a passenger train is 20mph faster than the speed of a ...

Math - The The speed of a passenger train is 12 mph faster then the speed of a ...

Algebra - Speed of passenger train is 6mph faster than the freight train. The ...

algebra - The speed of a passenger train is 18mph faster than the speed of a ...

algebra - 1. The speed of a passenger trin is 18mph faster than the speed of a ...

math 117 - A passenger train can travel 325 mi in the same time a freight train ...

algebra - a passenger train's speed is 60mi/h, and a freight train's speed is ...