Question

17. 25 % of the students in a class are boys and others are girls. Form a linear equation in two variables x and y for the given data and draw graph for this . Find number of girls if number of boys are 20 ( 5 marks )​

Answer 1

Answer:

no•of girls is 60

Step-by-step explanation:

% of girls is 100%-25%=75%

Let no•of boys be x

&no•of girls be y

but y=3*x

=3x. from given % data

butx=20. given

no•of girls=3x

=3*20

=60