Answer:
(A)55
Step-by-step explanation:

From the values on the graph which is presented in the table above, the number of people who rode the bus during the 12.00 hour is 55.
<u>The correct option is A.</u>
You multiply 86 by 42.5 because each board is 42.5 and there are 86 boards.
I think that the answer would be D