Acompany has 875 employees. on "half-price wednesday," 64% of the employees eat lunch at the company cafiteria. how many employees eat lunch at the cafeterias on wednesday

It is very important to read and understand the question first. Then one should look at all the information's given in the question. Based on those information's the answer to the question can be easily deduced.
Number of employees in the company = 875
Percentage of employees eating lunch at the company cafeteria on Half-Price Wednesday = 64%
Number of employees eating lunch at the
 cafeterias on Wednesday = (64/100) * 875
                                           = 56000/100
                                           = 560
So the number of employees eating lunch at the company cafeteria on Half-Price Wednesday is 560. Hope this answer has helped you. The procedure should also be clear enough for you to understand.