Q)on a book case there are 35 science books ,28 history books,10 cook books, and 10 mystery novel .how many books are on the book case?

This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit

Can someone me and plz do the problem

Suppose a store sells an average of 80 cases of soda per day. assume that each case contains 24 cans of soda and that the store is open 10 hours per day. find the average number of soda that the store sells per hour.