The blank is 25.
Tip: There is already 25, so there is only 50. But they want half so, half of 50 is 25.
I hope you understand.
Answer:
80 mph
Step-by-step explanation:

<u>First leg of trip</u>
- Speed = 64 mph
- Time = 3 hours

<u>Second leg of trip</u>
- Speed = 92 mph
- Time = 4 hours


To find the average speed:

Answer:
This seems more like an answer then a question, did you perhaps mean to put this on someone elses question?
Step-by-step explanation:
It would be (a) because it is now
it
Answer:
He walks 150 km in 2.5 hours.
Step-by-step explanation:
From 9:30 a.m. to noon, it's 2.5 hours.
distance = speed * time
distance = 60 km/h * 2.5 h
distance = 150 km
Answer: He walks 150 km in 2.5 hours.