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algebra 1

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Maria sells paintings in an art gallery. She ears $375 each week plus a commission equal to 2.5% of her sales. This week her goal is to earn at least $500. What is the minimum amount of sales she must have this week to achieve her goal?

  • algebra 1 -

    let the sales be s
    .025s + 375 ≥ 500
    multiply by 40 to get whole numbers
    s + 15000 ≥ 20000
    s = 5000

    She must sell at least $5000 worth of paintings

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