Tara's walking rate is 2.5 metres per second. Her younger brother, Mike, walks 1.1 metres per second. Tara gives Mike a 45-metre head start in a 100-metre race. Who won the race, Tara or Mike? (multiple choice)

Due to a packaging error, 4 cans labeled diet soda were accidentally filled with regular soda and placed in a 12 pack carton of diet soda. two cans were randomly selected from this 12 pack. what is the probability that both cans were regular soda?