What is the algebraic expression of one fourth of a number n?

This is fractions casey shared a pizza with some friends.they each ate 1 third of the pizza. how many people shared the pizza

Ineed solving this problem h/8=-25 solve for h idk how to this can someone show me and also give an answer you

Prism m and pyramid n have the same base area and the same height. cylinder p and prism q have the same height and the same base perimeter. cone z has the same base area as cylinder y, but its height is three times the height of cylinder y. the figures and have the same volume.