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Mathematics 14 Online
OpenStudy (anonymous):

The scale on a map is 4cm : 9km. If the distance between two cities is 72km, how far apart in cm are the two cities on the map?

OpenStudy (nikato):

Welcome to openstudy!

OpenStudy (nikato):

And to solve this problem, you would have to set up a proportion 4. x -- = ---- 9. 72

OpenStudy (nikato):

Cross multiply and solve for x

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