Janna sleeps 7 hours each day during weekdays and 8 hours each day during weekends. How many hours does she sleep in a week?
Reason slowly and give your answer.
51
She sleeps 7 * 5 = 35 hours on weekdays.

She sleeps 8 * 2 = 16 hours on weekends.

35 + 16 = 51 hours is the amount of time she sleeps in a week.

.

Thus, the answer is 51