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 -
**Lilly-Anne**, 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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