Tuesday

September 30, 2014

September 30, 2014

Posted by **gf** on Tuesday, November 6, 2007 at 11:54pm.

- maths -
**Reiny**, Wednesday, November 7, 2007 at 1:33amLet the speed of the passenger plane be x mph, then the speed of the jet is 2x mph

The both went for 4 hours, so the

passenger plane went 4x miles

the jet went 4(2x) or 8x miles

So isn't 4x+8x = 2400 ???

etc.

**Answer this Question**

**Related Questions**

algebra 1 - A passenger plane and a jet leave att the same time from the same ...

algebra - a commerical jet and a private plane leave the same airport at the ...

Math (URGENT) - A word problem. David flew 300km on a commuter plane, then ...

Algebra: 8th Grade; Equation Check - 1) A private airplane leaves an airport and...

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

physics - A passenger train is traveling at 30 m/s when the engineer sees a ...

Physics - How do I do these? A passenger at an airport steps onto a moving ...

physics - An engineer of a passenger train traveling at 25.0 m/s sights a ...

Physics - the engineer of a passenger train traveling at 25.0 m/s sights a ...

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