Question

in a school the number of girls in 8 B class is less by 20 than three times the number of boys in that class if the total number of students is 68 find the number of girls in that class

Answer 1

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.

Answer 2

Answer:

46 girls

Step-by-step explanation: