Question

36 girls, 58 boys and 356 adults are members of a tennis club. 50 more children join the club. the number of girls is now 0.12 of the total number of members. how many of the 50 children were boys?​

Answer 1

32

Explanation:

total members=36+58+356=450

0.12 of 450=450×0.12=54

so now number of girls =54

original girls=36

so number of girls came=54-36=18

number of new boys joined=50-18=32

Answer 2

26

Explanation:

36 girls, 58 boys and 356 adults are members of a tennis club. 50 more children join the club. the number of girls is now 0.12 of the total number of members. how many of the 50 children were boys?