phil needs to run at least 30miles30miles this weekweek for his training if he has already ran a⋅18milesa⋅18miles as we've been how many milesmiles should you run on each of the 33 remaining dayday this

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$\begin{gathered} 18+3x\ge30 \\ 18+3x-18\ge30-18 \\ 3x\ge12 \\ (3x)/(3)\ge(12)/(3) \\ x\ge4 \end{gathered}$

answer: 4 miles per day

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