Allie answered 72% of the questions on her math test correctly. if she answered 18 questions correctly, how many questions were on the test?

25 questions

Step-by-step explanation:

0.72x = 18

x = 25

If Allie answered 18 questions correctly on the exam, also stating the fact that she answered 72% of the questions correctly on the exam, this means that the answer is there was 25 questions on the test  

Step-by-step explanation: because when you do the math, first define your variables

Q:# of questions

And then, you solve

A percent is a fraction whose denominator is 100

(72/100)Q=18

72Q=1800 Divide 72 on both sides

And you get 25 as your answer  

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: