Friday

September 19, 2014

September 19, 2014

Posted by **Anonymous** on Tuesday, November 8, 2011 at 10:50am.

- math -
**Steve**, Tuesday, November 8, 2011 at 3:14pmtime = distance/speed

d/8 + d/5 = 3.25 = 13/4

clear fractions by multiplying by 40:

5d + 8d = 130

13d = 130

d = 10

10km at 8km/h = 1.25 hrs

10km at 5km/h = 2 hours

**Answer this Question**

**Related Questions**

Math - a man walked for some distance at 8km/h and for an equal distance at 5km/...

Mathematics - A man walked for some distance at 8 km/h, and for an equal ...

math - pei fen walked a distance of 526 m.then she walked for another 5minutes ...

math - I have 1 question I just can't seem to solve:A rabbit and a tortoise ...

4th grade math - In the school walkathon, Bev walked 2 1/5 miles, Dennis walked ...

physics - Mary walked north from her home to Sheila's home, which is 4.0 ...

math - Dave walked from point A to point B due North East for a distance of 20m...

math - Dave walked from point A to point B due North East for a distance of 20m...

geophysical science - if you walked 20m, took a book from a library table, ...

trigonometry - Hal walked from point A to point B due north east from a distance...