# From 40 pupils 12 to study perfectly in all objects How much of excellent students less than in all pupils Find percent of excellent students

Nikodim

342

Otlichnikov 12, the others: 40-12=28 28/12=4 Then, excellent students are 4 times less Percent of excellent students: 12/40 ยท 100=30otlichnikov it is less in 40:12=40/12=10/3=3 whole 1/3 Percent 40:100=0,4 12:0,4=30

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