Question

In a school the number of girls in 8 b cla ss is less by20 than three times the number of boys in t
he student 1568 find the number of girls in that class

Answer 1

Answer:

Explanation:

Let the number of boys be x.

3x-20+x=68

3x+x=68+20

4x=88

x=88/4

=22

Hence,the number of boys is 22.

According to the queston,the number of girls is less by 20 than three times the number of boys

Hence,no. of girls=

3x-20

=3*22-20

=66-20

=46

So,the number of girls in the classroom is 46