Please answer the following 2 questions separately :-) 
 1. If 15 baseballs weigh 75 ounces how many baseballs weigh 15 ounces? 
 2.(fill in the blank) At a bus station, busses depart at a rate of 3 every 10 minutes. At this rate, ______ busses would depart in one hour. 
 PLEASE HELP DUE TODAY!!!!