What is the z-score if µ = 122, σ = 52.3, and x = 264.3?

The capulet and montague families love writing. last year, each capulet wrote 444 essays, each montague wrote 666 essays, and both families wrote 100100100 essays in total. this year, each capulet wrote 888 essays, each montague wrote 121212 essays, and both families wrote 200200200 essays in total. how many capulets and montagues are there? choose 1

Could someone me with this question i’ve been stuck on it for 20 minutes

Of the 304 people who attended a school play, 5/8 were students. how many of the people who attended were students.