Given:
The total number of students is 300.
The number of girls is,
48+105=153
The number of students who prefer watching tv is,
105+69=174
(a) To find the percentage of the students who are girls:
The formula is,
[tex]\begin{gathered} \frac{\text{Number of girls}}{\text{Total number of students}}\times100\text{ \%}=\frac{153}{300}\times100 \\ =51\text{ \%} \end{gathered}[/tex]
Thus, the percentage of the students who are girls is 51%.
b) To find the percentage of students who prefer watching tv:
The formula is,
[tex]\begin{gathered} \frac{\text{Number of students who prefer watch}ing\text{ tv}}{\text{Total number of students}}\times100\text{ \%}=\frac{174}{300}\times100 \\ =58\text{ \%} \end{gathered}[/tex]
Thus, the percentage of students who prefer watching tv is 58%.
