Kathy works at an optical store selling eyeglasses. Each week she earns $180 plus a 2% commission of her total sales for the week. Next week she wants to earn at least $350.

1. Write an inequality that represents the dollar amount of eyeglasses kathy must sell to earn at least $350

2. What dollar amount of eyeglasses must kathy sell to reach her goal of earning $350?
3. If the average cost of a pair of eyeglasses is $250, how many pairs of eyeglasses must she sell?

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  1. Let x = amount of sales

    1. 180 + .02x ≥ 350

    2. Solve for x.

    3. x/250 = ?

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