Question

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 week

Answer 1

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

answer: 4 miles per day