The large box is 45 pounds and the small is 20 pounds
You sleep 1/3 of the day.
We Know, speed = Distance / Time
Here, Distance = 2748 miles
Time = 6 hours
Substitute their values in to the expression,
Speed = 2748 / 6 = 458 Miles / Hour
So, the speed would be: 458 miles/hour
Hope this helps!
p could be 5 and q could be 8 this is just my guess but i think its right