Acooler at a picnic contains 100 cans of soda covered by ice. there are 21 21 cans of cola, 10 10 cans of orange soda, 13 13 cans of ginger ale, and 56 56 cans of root beer. the cans are all the same size and shape. if one can is selected at random from the cooler, determine the probability that the soda selected is ginger ale ginger ale, orange soda orange soda, or cola. cola.