Respuesta :

bunnymarshmarloykw47
To find the percentage,here's what we can do:
[tex] \frac{student \: out \: sick}{original \: population} \times 100\%[/tex]

The percentage would then be:
=63/420×100%
=3/20×100%
=0.15×100%
=15%

Therefore the answer is 15%.

Hope it helps!

15% of the student population is ill.