Number And Algebra - Chapter 7 Applying Ratios And Rates - Nelson Think Math Page 23
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Applying ratios and rates
Scale in metres
Map scales can be written in many ways. For example, look at this scale.
0
500
1000
1500
This scale shows that 3 cm on the map represents 1500 m in real life. This could be written as:
3 cm : 1500 m
or
3 cm : 150 000 cm
or
1 cm : 50 000 cm
or simply
1 : 50 000.
Example
18
The following map shows a part of the St Lucia campus of the University of Queensland.
SCALE 1:5000
Metres
50
100
150
a
How many metres does 5 cm on the map represent?
b
How far is it between the centres of WEP Harris Oval and Field No. 5B?
260
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