Flying against the wind, an airplane travels 8280 kilometers in 9 hours. Flying with the wind, the same plane travels 3900 kilometers in 3 hours. what is the rate of the plane in still and what is the rate of the wind?
rate of wind=?
rate of plane in still air=?

Finally, the arena decides to offer advertising space on the jerseys of the arena’s own amateur volley ball team. the arena wants the probability of being shortlisted to be 0.14. what is this as a percentage and a fraction? what is the probability of not being shortlisted? give your answer as a decimal. those shortlisted are entered into a final game of chance. there are six balls in a bag (2 blue balls, 2 green balls and 2 golden balls). to win, a company needs to take out two golden balls. the first ball is not replaced. what is the probability of any company winning advertising space on their volley ball team jerseys?