SOLUTION: A soil supplement that weights 24 Lb contains iron, pottasium and a mulch. There is five times as much mulch as iron and twice as much pottasium as iron. Find the amount of mulch i

Question 29788: A soil supplement that weights 24 Lb contains iron, pottasium and a mulch. There is five times as much mulch as iron and twice as much pottasium as iron. Find the amount of mulch in th soil supplement.
Answer by Cintchr(481) (Show Source): You can put this solution on YOUR website!
Iron + potassium + mulch = suppliment
I + P + M = S
S = 24
5M = I
2P = I or P = I/2
Substitute
I + P + M = S
5M + I/2 + M = 24 (substitute once more where I is)
5M + 5M/2 + M = 24
now combine like terms and solve for M.
common denom
drop the denom
combine like terms

divide by 17

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