SOLUTION: The scale of a map is 1cm to 12km. What is the distance on land if the length from P town to town Q on the map is 15c

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Question 1135048: The scale of a map is 1cm to 12km. What is the distance on land if the length from P town to town Q on the map is 15c
Answer by swincher4391(1107) About Me  (Show Source):
You can put this solution on YOUR website!
Scale: 1cm = 12 km
Goal: Convert 15cm to km.
Using dimensional analysis:
15 cm (12km / 1 cm) [make sure that cm is on the bottom since this is the given unit]
15 * 12 = 180
Hence, 180km.