Can anyone solve these two questions for me please? Thank you, may god bless you!

1.)27.50        2.) i dont know sorry

Step-by-step explanation:

1) 100 - 2(35) - 2.50 = x

x= $27.50

2) x * 7 + 345 = 1,740.00

x= (1,740 - 345) / 7

x= $199.29

answer:      

step-by-step explanation:

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: