Agroup of five friends has two tickets to the ball game. how many different combinations of these five friends can use the tickets?

10 combinations

Step-by-step explanation:

if there are 5 girls and only 2 of them can go at a time you multiply 2 by 5

2 x 5 = 10

10 combinations  

amount of oatypop that contains the prize = 40%

amount   of oatypop which doesn't contain the prize = (100-40)=60%

probability that hannah will win a prize

    = s +f s +f f s+ff   f s+ff f f s+ infinity.where f= failure,s= success

=   or 60%

probability that hannah only has to buy 3 or less boxes before getting a prize= (s) and ( f s) and (ff s) and (f f f s)

        = = 87.04 %  

step-by-step explanation:

the barter