Practice Final Exam

Solve for x: (4/9)s² - (25/18)s + (7/12) = 0

[(2/3)s - (1/3)] [(2/3)s -(7/4)] = 0

(2/3)s - (1/3) = 0

(2/3)s = (1/3)

s = 1/3 ÷2/3

s = 1/3 x 3/2

s = 3/6   →  s = 1/2

    or

(2/3)s - (7/4) = 0  →  (2/3)s =(7/4)  →  s = 7/4 ÷ 2/3  →  s = 7/4 x 3/2   →  s = 21/8

  return