viii) In a class of 42 students,the number of boys is 2/5 of the girls

1.	viii) In a class of 42 students,the number of boys is 2/5 of the girls. Find the number of boys and girls.
Answer» ong>ANSWER: BOYS - 12 Girls - 30 Step-by-step explanation: TOTAL number of students = 42 Number of girls = x Number of boys = 2x/5 Now x+2x/5 = 42 5x/5+2x/5 = 42 7x/5 = 42 7x= 42×5 7x = 210 x = 210/7 x= 30 So the number of girls is 30 Then number of boys = 2 (30)/5 2×6 Boys= 12

viii) In a class of 42 students,the number of boys is 2/5 of the girls. Find the number of boys and girls.

Answer»

BOYS - 12

Girls - 30

Step-by-step explanation:

TOTAL number of students = 42

Number of girls = x

Number of boys = 2x/5

Now x+2x/5 = 42

5x/5+2x/5 = 42

7x/5 = 42

7x= 42×5

7x = 210

x = 210/7

x= 30

So the number of girls is 30

Then number of boys = 2 (30)/5

2×6

Boys= 12