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In a certain warehouse, 60 percent of the packages weigh [#permalink]
28 Dec 2004, 21:52

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Difficulty:

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Question Stats:

0% (00:00) correct
0% (00:00) wrong based on 1 sessions

In a certain warehouse, 60 percent of the packages weigh less than 75 pounds, and a total of 48 packages weigh less than 25 pounds. If 80 percent of the packages weigh at least 25 pounds, how many of the packages weigh at least 25 pounds but less than 75 pounds?

C
60% < 75 lbs; 48 < 25lbs &
80% >= 25lbs, so 20% = 48packages
Total no. of packages = 240
since 60% < 75 lbs which is 144packages and
48packages < 25 lbs. The required result is 144 - 48 = 96