What percentage do I use on a photocopier to change an architectural drawing from scale 1:50 to scale 1:20

To go from 1:50 scale to 1:20 scale on a photocopier, you would need to set the percentage at 40% (20/50). Be careful, the scale may be distorted.

Tag: scale 
Friday, February 03 2012
Source: http://en.wikipedia.org/wiki/Architect_scale

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