11. Alex purchased 4 milkshakes and 2 Banana Splits for $21.00. At the same prices, Belle purchased 5 Banana Splits and 6 milkshakes for
$39.90. What is the cost of a 2 milkshakes and 3 Banana Splits?

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? what is this as a fraction? what is the probability of not being shortlisted? give your answer as a decimal.