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December 20, 2014

December 20, 2014

Posted by **Ed** on Monday, January 25, 2010 at 9:19pm.

what is the weight, in kg, of the heaviest package?

- math -
**Reiny**, Monday, January 25, 2010 at 10:45pmHeaviest -- h

middle --- m

lightest -- l

h+m+l = 60 (1)

h+m = 50 (2)

m+l = 25 (3)

(1) - (2) ----> l = 10

(1) - (3) ----> h = 35

then m = 15

check: total = 60

lightest + middle = 25

heaviest + middle = 50 CHECK!

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