The average length of three tapes is 6800 feet. None of the
tapes is less than 6400 feet. What is the greatest possible
length of one of the other tapes?
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x+y+z
—– = 6800
3
x>=6400
6400 + y + z = 20400
y + z = 14000
to get the greatest of y and z, lets assume y = 6400
so, z = 7600
so ANS is 7600
7600