Posts by boskalin

    let w be wheat, c be clay, i be iron

    from 100 + ww = 1700
    ww=1600
    w=40

    from wii=360
    substituting for w
    40ii=360
    ii=9
    i=3

    from wic=480
    substitutine for w and i
    40 x 3 x c = 480
    120c = 480
    c=4

    for
    w - c + i =?
    substituting
    40 - 4 + 3 =39

    Answer 39