Question

In a class of 30 students , the number of girls is one – fifth the number of boys . Determine the number of boys in the class .



20

25

30

24

​

Answer 1

Answer:

the number of Total girls be x and the number of Total boys be y.

x=1/5y

x+y=30

y=x-30

substituted in the above equation

#x= 6

y=24

show the number of boys are 24