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cherry2012 Group Title

help please..A soil supplement that weighs 18 lb contains iron, potassium, and a mulch. There is fifteen times as much mulch as iron and twice as much potassium as iron. Find the amount of mulch in the soil supplement.

  • 2 years ago
  • 2 years ago

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  1. shandelman Group Title
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    If x is the amount of iron, how much potassium is there? How much mulch is there? Then you can set up an equation with x as the only variable. Give it a try and I'll give you a hand.

    • 2 years ago
  2. cherry2012 Group Title
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    x + 15x+ 2x= 18 like that?

    • 2 years ago
  3. shandelman Group Title
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    Yes.

    • 2 years ago
  4. cherry2012 Group Title
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    thankss

    • 2 years ago
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