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

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