Respuesta :
Answer:
1/5 of it
Step-by-step explanation:
5/5 represents all of her homework
5/5-4/5= 1/5
4/5 represents the homework she did before dinner
1/5 represents the homework left to do
20% i think bc if you divided 4/5 and multiply by 100 is says 80 so there is 20 more until 100
