# math

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the distance between north bay and sudbury is about 125km. If they are 10 cm apart on a road map, what is the map scale?

• math -

set up the ratio

125 km : 10 cm
= 12.5 km : 1 cm

so 1 cm on your map is 12.5 km in the real world.

BTW, hello from a fellow Ontarian.

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