You roll a number cube 20 times. the number four is rolled 8 times . what is the experimental probability of rolling a four?

40%***
25%
20%
17%

i figured it out for those who need it is 40%

Afitness center has 2 membership plans one has a low dollar sign up fee of 15 dollars and costs 38 dollars per month to join. a second plan has a higher sign up fee of 78 dollars but a lower monthly fee of 31 dollars for what number of days of the month is the coat the same