Achild takes a nap averaging three hours and gets an average of 12 hours of sleep at night. nap time and night time sleep can each vary by 30 mins. what are the possible time lengths for the child's nap and night time sleep?

Yuto and hila attempted to solve the same inequality. their work is shown below. which statement is true about the work shown above? yuto is correct because he isolated the variable correctly and reversed the inequality symbol. yuto is incorrect because he should not have reversed the inequality symbol. hila is correct because she isolated the variable correctly and reversed the inequality symbol. hila is incorrect because she should not have reversed the inequality symbol.