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There were 20 boys and 26 girls in a chess club last year. This year the number of boys increased by 30% but the number of girls decreased by 15%. Was there an increase or decrease in overall membership?
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There were 20 boys and 26 girls in a chess club last year. This year the number of boys increased by 30% but the number of girls decreased by 15%. Was there an increase or

decrease in overall membership?

User Dineshkani
by
7.2k points

1 Answer

6 votes

Explanation:

Boys


20 + (20 / 100)30 = \\ = 20 + 0.2 * 30 = \\ = 20 + 6 = \\26

Girls


26 - (26 / 100)15 = \\ = 26 - 0.26 * 15 = \\ = 26 - 3.9 = \\ = 22

Total last year 46

Total this year 48

Increase

User Epicwhale
by
6.8k points
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