SOLUTION: the scale of the map is 2 cm to 21 km what is the actual size of 12.5

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Question 702100: the scale of the map is 2 cm to 21 km what is the actual size of 12.5
Answer by sofiyac(983) About Me  (Show Source):
You can put this solution on YOUR website!
cm-----km
2------21
12.5---x
multiply across
2x=21*12.5
2x=262.5 divide both sides by 2
x=131.25 km