what is the actual distance corresponding to the map distance?

label Mathematics
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A map has a scale of 1 cm : 11.5 km. Two cities are 5.5 cm apart on the map. To the nearest tenth of a kilometer, what is the actual distance corresponding to the map distance?

a.  68.8 km

b.  120.8 km

c.  74.8 km

d.  63.3 km

Apr 30th, 2015

The answer is D. 63.6 km. You can solve this by setting up a simple proportion and solving.

1/11.5=5.5/x

(5.5)(11.5)=x

x=63.25 km

Rounded to the nearest tenth is 63.3 km.

Apr 30th, 2015

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Apr 30th, 2015
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Apr 30th, 2015
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