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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.
 one year ago
 one year ago
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.
 one year ago
 one year ago

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shandelmanBest ResponseYou've already chosen the best response.0
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.
 one year ago

cherry2012Best ResponseYou've already chosen the best response.1
x + 15x+ 2x= 18 like that?
 one year ago
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