Example 2

Topic:
Equations
Vernon Jewelry buys and sells jewelry. Its store policy is to buy necklaces for $60 and sell them for $125. Pairs of earrings are purchased for $35 and then sold for $65. Last week, the store had $3,305 in sales, which came to $1,635 in profit after accounting for the cost of the jewelry. Write an equation that describes the total sales for the week, and a second equation that describes last week’s profit.
  1. Determine what the variables and will represent.
  2. Write an equation that represents the total sales for the week.
  3. Write an equation that represents last week’s profit.
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