In a class of 30 pupils.40 of % of the girl other boys. How many boys and how many girls? help please!

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1) 100-40=60 - boys 40=0,4 60=0,6 2) 30 * 0.4 = 12 - girls 3) 30 * 0.6 = 18 - boys. 30 * 40/100 = 12 girls 30-12 = 18 boys
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Answer add