Three stores have the same mp3 player for sale. the regular price of the player is $50.store a is offering the player on sale at 15%off the regular price. store b is offering a 10$ coupon to be deducted from the regular price. store c is offering a rebate of 7.50$ to purchasers. which store is offering the mp3 player at the lowest cost

store B or more spesifically the answer is choice B

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: