Answer:
[tex]Students = 192[/tex]
[tex]\%Boys = 72\%[/tex]
Step-by-step explanation:
Given
See attachment for proper table
Solving (a): Students who spend more time playing games on tablets
To do this, we simply consider the playing games column.
The student are:
[tex]Students = 192[/tex]
Solving (b): The percentage of boys.
From the same columns, the numbe of boys are:
[tex]Boys = 138[/tex]
So, the percentage is:
[tex]\%Boys = \frac{Boys}{Students}* 100\%[/tex]
[tex]\%Boys = \frac{138}{192}* 100\%[/tex]
[tex]\%Boys = 0.71875* 100\%[/tex]
[tex]\%Boys = 71.875\%[/tex]
Approximate
[tex]\%Boys = 72\%[/tex]