Friday, 13 January 2012

how

More math...


142.3 x 54mm = 7,684.2


7,684.2 / 1423 = 5.4mm


5.4mm x 160 = 864mm


5.4mm x 143 = 772.2mm


87 disks: 8 x 10 & 1 x 7


864mm - 54mm [10 disks] = 810mm


772.2mm - 37.8mm [7 disks] = 734.4mm

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