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Mathematics 8 Online
OpenStudy (anonymous):

on a map 1 cm represents 50 km.two cities are 3.5cm apart on map.how far apart are the actual cities

OpenStudy (jonnyvonny):

With this, you are able to make a ratio, for 1cm:50km...1 centimeter is for every 50km. Now, this ratio is essentially a fraction 1cm/50km. Since you know one value of a fraction, 3.5cm, we are able to write this: 3.5cm:x. Because they are equal, we are able to write this: |dw:1386107971907:dw|

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