Posted by **Jannie** on Wednesday, October 13, 2010 at 7:53pm.

Two hikers begin walking towards each other from an initial distance of 20 km

apart. Hiker P averages 4 km/h while hiker Q averages 6 km/h. When and where do

they meet?

- maths -
**Henry**, Thursday, October 14, 2010 at 5:01pm
d1 = distance hiker P traveled,

d2 = distance hiker Q traveled,

d1 + d2 = 20 km.

4t +6t = 20 km,

10t = 20,

t = 2 h = time they met.

4t = 4 * 2 = 8 km = d1.

6t = 6 * 2 = 12 km = d2.

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