Respuesta :

Hey Tlove21 ! welcome to Brainly! 

If you were to take 64 and divide it by 80 you would get .08

Now if you take .08 and multiply that by 100 you would get 80%

80% would be the correct answer. Hope this helped !
musiclover10045

divide 64 by 80

64/80 = 0.8

0.8 = 80%