Posted by Serena on Monday, June 15, 2009 at 1:15pm.
A map drawn to scale of 1:50 000 with the actual distance between two points is 4.5km.Calculate the number of centimetres that should be used to represent this distance on the map.

Mathematics  Reiny, Monday, June 15, 2009 at 1:43pm
let's stick with ratios
4.5 km = 450000 cm
let x be the number of cm on the map
1/50000 = x/450000
x = 9 cm

Mathematics  amina, Wednesday, April 20, 2016 at 1:17pm
45km

Mathematics  LillyAnne, Monday, May 16, 2016 at 2:02pm
The answer to this question is simple. Use ratios. It's more easier.
4.5 km = 450000 cm
let x be the number of cm on the map
1/50000 = x/450000
x = 9 cm
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