Question

'ntage does the width decrease? 8.4 There were 24 students from Class 7 and 20 students from Class 8 in a chess club last year. This year, the number of Class 7 students increased by 25% but the number of Class 8 students decreased by 10%. Was there an increase or decrease in the overall membership? Find the overall percentage change in the membership of the clu nsjjsjsjsjdjejiekejejjejejsjsjsnjsjb.​

Answer 1

Step-by-step explanation:

Total. no. of students in class 7 = 24

25% =

\frac{25}{100} \times 24 = 6

100

25

×24=6

6+24= 30

Total. no. of students in class 8 = 20

10% =

\frac{10}{100} \times 20 = 2

100

10

×20=2

2+20=22

Increase in percentage.

Overall Percentage change =

6+2=8

20+24=44

\frac{8}{44} \times 100= 18.18

44

8

×100=18.18

Ans= 18.18%

Answer 2

Total. no. of students in class 7 = 24

25% =

$\frac{25}{100} \times 24 = 6$

6+24= 30

Total. no. of students in class 8 = 20

10% =

$\frac{10}{100} \times 20 = 2$

2+20=22

Increase in percentage.

Overall Percentage change =

6+2=8

20+24=44

$\frac{8}{100} ×100=18.18</p><p></p><p>$

Ans= 18.18%