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

0 votes

7.2k points

Please log in or register to add a comment.

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

Epicwhale answered Nov 26, 2022

6.9k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

7.7m questions

10.4m answers