Respuesta :
Answer:
Step-by-step explanation:
if u got 90% then (83+90)/2=86,5%
if u got 100% then (83+100)/2=91,5%
Answer:
86.5% or 91.5%
Step-by-step explanation:
83+90=173
173÷2=86.5%
Therefore, 86.5% is the Final grade percentage
OR
83+100=183
183÷2=91.5%