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A map has a scale of 1 cm : 9 km. If two cities are 10 cm apart on the map, what is the actual distance between the cities, to the nearest tenth of a kilometer?
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A map has a scale of 1 cm : 9 km. If two cities are 10 cm apart on the map, what is the actual distance between the cities, to the nearest tenth of a kilometer?

User Krishna Gupta
by
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1 Answer

2 votes
We can solve this problem by the rule of three:
1 cm-----------------9 Km
10 cm---------------- x

x=(10 cm * 9 km) / 1 cm=90.0 Km.

answer: 90.0 Km
User Tjollans
by
7.8k points
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