# In 1938 in Polotsk there were 30 thousand itel, and in their 2009 there were 81.7 thousand. By how many percent did the population of Polotsk during this time increase?

Dalace

116

81700-30000=51700 30000:100=300 (on 1) 51700:300=172 Proverka: 172*300=51700 Answer: The number of inhabitants increased in Polotsk on 172

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samuil

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