Question

Deborah decided to mow lawns to earn the $280she needs for a school orchestra trip. If she earns$18 per lawn, what is the minimum number oflawns she needs to mow to earn the money for thetrip?A.15B. 16C.18D. 20

Answer 1

`\begin{gathered} 18x\ge280 \\ \text{Solve for x:} \\ x\ge(280)/(18) \\ x\ge15.55 \end{gathered}`

So she needs to mow at least 16