Question

Nina's grades could be better. She gets about five hours of sleep every weeknight and ten hours per night on weekends. How much sleep should she get to better concentrate on schoolwork? Five to six hours every night nine to ten hours every night a total of forty hours a week a minimum of eighty hours a week

Answer 1

9 to ten hour

Step-by-step explanation:

Answer 2

B. Nine to ten hours every night

Step-by-step explanation:

You need to have at least 8 hours of sleep and B makes the most sense cause then she gets enough sleep and enough time to study.