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?

asked Nov 19, 2022 121k views

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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

Epicwhale answered Nov 26, 2022

7.9k points

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