Respuesta :
On Friday because if she danced 11 - negative 4 = 15. and 19 - negative 8=27. the closest would be Friday because on that day she danced for 2.6 hours.
Hope it helps.
On Monday, Alana practiced for 2.75 hours. On Wednesday, she practiced for 2.375 hours. On Friday, she practiced for 2.6 hours. 2.375 is closet to 2, so:
She practiced closest to 2 hours on Wednesday.