math
posted by evelynn .
the turkey must cook for 4 hours 45 minutes. at what must it be put into the oven in order to be done by 3:00 p.m.?

Count backwards 4 h and 45 min from 3 PM.
4 hours earlier it was 11 AM.
Now go back another 45 minutes.
Does 10:15 AM sound right?