Question

(Urgent) Solve:
z/4 + 5 ≥ 5.5

Answer 1

z/4 + 5 >= 5.5

-5 -5 subtract 5 from both sides

z/4 >= 0.5

x4 x4 times both sides by 4

z >= 2.0

Answer 2

z/4 + 5 ≥ 5.5

subtract 5 from each side

z/4 ≥ .5

multiply by 4

z≥ 2