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The sixth grade there are 200 people, this semester's sports achievements, the number of qualified a

Yu-Chung different chris2010-01-29 07:02:00 +0000 #1
Qualified 17.5%, good 45%, excellent 35%, failure 2.5%
Violet lovely2010-01-29 07:16:00 +0000 #2
Qualified: 200 × 17.5% = 30 (people)

Liang: 200 × 45% = 90 (people)

U: 200 × 35% = 72 (people)

failure: 200 × 2.5% = 5 (people)

A: The eligible 30 people, good for 90 people, excellent with 72 people, there are five people unqualified.
clouds and the sun2010-01-29 07:47:39 +0000 #3
35 good 90 excellent 70 qualified unqualified 5
ronan072010-01-29 08:14:35 +0000 #4
Solutions :

Qualified Number: 200 × 17.5% = 35 (people)

good size: 200 × 45% = 90 (people)

excellent size: 200 × 35% = 70 (people)

unqualified Number: 200 × 2.5% = 5 (person)

A: Qualified 35 people, good for 90 people, excellent with 70 people, 5 were unqualified.

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