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Need help with this problem . The inequality is 144 - 6t >= 72

Need help with this problem . The inequality is 144 - 6t >= 72-example-1
User Ian Lyttle
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1 Answer

5 votes

This is:


144-6t\ge72

Solve for t:


\begin{gathered} 144-6t-144\ge72-144 \\ -6t\ge-72 \\ -6t(-1)\ge-72(-1) \\ 6t\leq72 \\ (6t)/(6)\leq(72)/(6) \\ t\leq12 \end{gathered}

Answer:


\begin{gathered} 144-6t\ge72 \\ -6t\ge-72 \\ t\leq12 \end{gathered}

User Dertoni
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