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!!!!