The mathematician Shen Kua was asked by the emperor of China to produce maps of all Chinese territories. Shen created 23 maps, each drawn with a scale of 1 cm:900,000 cm. How many centimeters long would a 1 km road be on such a map?

Question

The mathematician Shen Kua was asked by the emperor of China to produce maps of all Chinese territories. Shen created 23 maps, each drawn with a scale of  1 cm:900,000 cm. How many centimeters long would a 1 km road be on such a map?

anonymous · Answer

to start, do you know how many centimeters are in a meter, and how many meters are in a kilometer?

cookiemonster2412 · Answer

there are 100,000 cm in 1 km and 100 cm in 1 meter

anonymous · Answer

yep! skipped right to the one we wanted!

so if 100,000 centimeters is one kilometer, then how many kilometers is 900,000 centimeters?

cookiemonster2412 · Answer

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