Solve: (zz)/(4) + 5 \geqslant 5.5

Question

Solve:

`(zz)/(4) + 5 \geqslant 5.5`

Answer 1

`\bf \cfrac{zz}{4} + 5\geqslant 5.5\implies \stackrel{\textit{subtracting 5 from both sides}}{\cfrac{zz}{4}\geqslant 0.5}\implies \stackrel{\textit{multiplying both sides by 4}}{zz \geqslant 2}`