This grid map shows the names of some places along a hiking track.
The distance between The Terrace and Karuah is about 40 km.
Which of these is closest to the distance from Rees to Janis along the track?
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Geometry, NAP-E2-40 SA
A speed boat has a length of 640 cm.
How many centimetres of the real boat does one unit on the grid represent?
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