Truck stop

This task is about reading information from a tally chart.
TIME PERIOD NUMBER OF TRUCKS
4:00 p.m. – 4:30 p.m.
4:30 p.m. – 5:00 p.m.
5:00 p.m. – 5:30 p.m.
5:30 p.m. – 6:00 p.m.
6:00 p.m. – 6:30 p.m.
6:30 p.m. – 7:00 p.m.
7:00 p.m. – 7:30 p.m.   
 
The table shows the number of trucks that passed a Police weigh station one Friday.

Question 1Change answer

a)  How many trucks passed through the checkpoint
i)  between 4:00 p.m. and 4:30 p.m.?  
ii)  between 5:00 p.m. and 6:00 p.m.?  
iii)  after 6:00 p.m.?  

Question

b)  During which one-hour period did most trucks pass through the checkpoint?

    • 4:00 p.m. – 5:00 p.m.

    • 4:30 p.m. – 5:30 p.m.

    • 5:00 p.m. – 6:00 p.m.

    • 5:30 p.m. – 6:30 p.m.

    • 6:00 p.m. – 7:00 p.m.