Question

1. mary has an essay due in 4 days. she estimates that she needs to spend 6 hours working on her essay. she wants to split up the work and work the same amount of time each day. mary goes to bed at 10:00 p.m. and plans to work on her essay right before she goes to sleep. what time should mary start working on her essay each night so she can complete her essay on time?

9:30 p.m.
8:30 p.m.
8:00 p.m.
9:00 p.m.

Explanation:

Step1: Calculate daily work time

Mary needs 6 hours total over 4 days, so daily time is $6\div4 = 1.5$ hours (or 1 hour 30 minutes).

Step2: Find start time

She goes to bed at 10:00 p.m. Subtract 1.5 hours: 10:00 p.m. - 1 hour 30 minutes = 8:30 p.m.

Answer:

B. 8:30 p.m.