SACE Stage 2 Essential Mathematics Practice Questions - SACE Stage 2 Essential Mathematics External Assessment Exam

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On a topographic map with a scale of 1:5,000 and contour interval of 10 m, Point A has elevation 120 m and Point B has elevation 180 m. The map distance between A and B is 4 cm. What is the gradient (slope) between Point A and Point B expressed as a decimal?
Correct Answer:
0.30

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