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what is the average length?

Mathematics
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Apr 16th, 2015

Combined length of 1/2 in. crystals : 4 ( 1/2 ) = 2 inches

Combined length of 5/8 in. crystals : 3 ( 5/8 ) = 15/8

Combined length of all the crystals : 1/2 ( 4 ) + 5/8 ( 3) + 3/4 ( 4) + 3/8 ( 3) = 8

Average = 8 / 14 = 4/7


Apr 16th, 2015

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