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On a topographic map, six contour lines span a horizontal map distance of 0.5 inches. The horizontal scale is 1 inch equals 2,000 ft. How far apart are the first and sixth lines?

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Answer:

1000 ft

Explanation:

There are six lines which has a total length of 0.5 inches on the map. This is known as the scale of a map.

On the map we have

[tex]1\ inch=2000\ ft[/tex]

So, the distance between first and sixth line is 0.5 inch

[tex]0.5\ inch=0.5\times 2000[/tex]

[tex]\Rightarrow 0.5\ inch=1000\ ft[/tex]

The distance is 1000 ft on the map

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