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 2 years 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.
 2 years 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.

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shandelman
 2 years ago
Best ResponseYou've already chosen the best response.0If 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.

cherry2012
 2 years ago
Best ResponseYou've already chosen the best response.1x + 15x+ 2x= 18 like that?
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