Thursday

December 18, 2014

December 18, 2014

Posted by **Bob** on Thursday, December 20, 2012 at 3:51am.

- math -
**drwls**, Thursday, December 20, 2012 at 4:07amUp rate on the down escalator = 80 - 60 = 20 step/min. Time spent going up one level = 50/20 =2.5 minutes

**Answer this Question**

**Related Questions**

Health - 9. Kristy, a 13-year-old girl, has a resting heart rate of 67 beats per...

Ap Physics - An escalator in a shopping centre carries people up through a ...

math - Annie likes to walk 2 steps, jump 2 steps and then skip 2 steps. If she ...

Math - Annie likes to walk 2 steps, jump 2 steps and then skip 2 steps. If she ...

Phyiscs-Energy conservation - An escalator in a shopping centre carries people ...

Ske - If Shella has a pulse rate of 73 beats per minute and a blood pressure of ...

Math - one plane at 520 feet is ascending at the rate of 40 ft per minute, while...

Algebra - Use the five steps for problem sovling. Company A charges $25 per ...

Physics - A wheel is rolling ithout slipping at 487 meters per second to the ...

Science/Math - The Ruby Throated Hummingbird has a resting heart rate of 250 ...