Will mark the brainliest. paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each?

Paula must sell at least 2,500 windows in a year to earn a profit of at least $48,000.

Step-by-step explanation:

Let be the number of windows that Paula sells in a year.

Paula's revenue is the number of windows that she sell times the price that she charge for each window. That is:

.

Paula's cost comes in two parts:

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Consider the inequality in the picture:

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Multiply both sides with 1/24. It is important that this number is positive. Otherwise, the direction of the inequality operator will flip.

.

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In other words, Paula must sell at least 2,500 windows in a year to earn a profit of at least $48,000.