Saturday

July 26, 2014

July 26, 2014

Posted by **Nabil** on Monday, October 10, 2011 at 6:37am.

one travels west at 40 mph.

the other goes north at 30 mph.

When will they be 400 miles apart?

- algebra -
**tchrwill**, Monday, October 10, 2011 at 9:34am(30t)^2 + (40t)^2 = 400^2

- algebra -
**T U BHARGAV**, Monday, October 10, 2011 at 11:30pm30t+40t=400

70t=400

t= 400/70

=5.71hrs

After 5.71hrs they will be at 400miles apart.

**Related Questions**

math - 13. If two planes leave the same airport at 1:00 PM, how many miles apart...

Algebra - If two planes leave the same airport at 1:00 PM, how many miles apart ...

maths - If two planes leave the same airport at 1:00 PM, how many miles apart ...

math - two cars leave town at the same time. one travels west at 56 mph, and the...

math - 2 trains leave the same train station at the same time, one train travels...

Pre-Cal - Two airplanes take off from an airport at the same time. One travels ...

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

Help!...Math... - Two cars leave town going opposite directions. One car is ...

algebra - two trains leave at the same time from two different stations 284 ...

algebra - two people are 33 miles apart. they leave at the same time and travel ...