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Number:
565
Author:
J.W. Elliott
Issue:
ET Vol 6, Oct 1852
Tags:
Arithmetic (mixture / Rate)
Solved by:
J.W. Elliott, ET Vol 6, Jan 53
Solved by:
G.H.S., ET Vol 6, Jan 53
Solved by:
C.R. Honey, ET Vol 6, Jan 53