Question

jonis new job pays $50 per day plus $30 for every sale that she makes. if she needs to make at least $180 per day to cover her expenses, what is the minimum number of items she needs to sell each day? 4 5 4.33 an unlimited number

Explanation:

Step1: Set up the inequality

Let \(x\) be the number of sales. The total earnings is \(50 + 30x\). She needs to make at least \(180\), so \(50+30x\geq180\).

Step2: Solve the inequality for \(x\)

Subtract \(50\) from both sides: \(30x\geq180 - 50\), so \(30x\geq130\). Then divide both sides by \(30\): \(x\geq\frac{130}{30}=\frac{13}{3}\approx4.33\). But the number of sales \(x\) must be a whole number.

Answer:

\(5\)