Mrs. Smith surveyed her class of 20 students to find out what sports they played. The results are recorded below. Based on the table’s rates, how many students out of 40 would play baseball?

Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation