m ≥ 1067
Explanation:Monthly fee = $24
Additional fee = $0.06 per minute
let the number of minutes = m
Amount charge is atleast $88.02
Atleast is the same as ≥ $88.02
[tex]\text{Monthly fe}e\text{ + additional fe}e\text{ (number of minute) }\ge$88.02$[/tex][tex]\begin{gathered} 24\text{ + 0.06 (m) }\ge\text{ }88.02 \\ 24\text{ + 0.06m }\ge\text{ }88.02 \\ \text{subtract 24 from both sides:} \\ 0.06m\text{ }\ge\text{ }88.02\text{ - 24} \end{gathered}[/tex][tex]\begin{gathered} 0.06m\text{ }\ge\text{64.02} \\ \text{divide both sides by 0.06:} \\ \frac{0.06m}{0.06}\text{ }\ge\text{ }\frac{\text{64.02}}{0.06} \end{gathered}[/tex][tex]m\text{ }\ge\text{ 1067}[/tex]She has used her phone for less than 1067 minutes
m ≥ 1067
