points A is 5,623m above sea level.points B is below sea level at -1,245m. what is the distance between the two points?

2 answers:

5 0

Distances are always positive. Find the distance of point A above sea level (sea level is our reference point). Then find the distance of B below sea level (again remembering that distances are always positive). Then sum up the resulting 2 positive numbers to obtain the distance between A and B:

5623 m + 1245 m = ?

myrzilka [38]3 years ago

3 0

If you go from point A to sea level, you need to go down 5,623 m.
If you go from point B to sea level, you need to go up 1,6,868 m245 m.
Add the two distances to find the distance between the points.

5,623 m + 1, 245 m = 6,868 m

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<em>Alternate Solution</em>

Another way to look at it is that Mitchell's 10 mph advantage is 1/3 of Peter's speed, so it will take 1/(1/3) = 3 times the period of Peter's head start:

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