From pupils of the second class of 15 people sharpness the others registered only in a circle only in a circle skillful hands How many pupils in a class if in a circle the skillful hands are 4 pupils less than to a mug sharpness

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1) 15-4=11 (uch.) - In a circle skillful hands 2)11+15=26 (uch.) Answer: 26 all of pupils in a class. Please add as the answer is better! 15-4=11 persons in a circle skillful handles of 15+11=26 people in a class
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Answer add