If each letter of the alphabet is worth two more than its preceding letter, where A is the first number and equals 1, B is the second number and equals 3,… and Z is the twenty-sixth which equals ….. What does Z equal?

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