Variation Grids: Substitution By Richard | 21st March 2018 0 Comment I know I’d said I’d do simplifying a ratio first but I got distracted. PDF Here | Editable excel file here Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Click to print (Opens in new window) Print Click to share on Pocket (Opens in new window) Pocket Like this:Like Loading... Related