SOLUTION: Hoe much soil containing 45% sand do you need to add to 1ft(cubed) of soil containing 15% sand in order to make a soil containing 35% sand?
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Question 605329: Hoe much soil containing 45% sand do you need to add to 1ft(cubed) of soil containing 15% sand in order to make a soil containing 35% sand? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! How much soil containing 45% sand do you need to add to 1ft(cubed) of soil containing 15% sand in order to make a soil containing 35% sand?
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Equation:
sand + sand = sand
0.45x + 0.15*1 = 0.35(x+1)
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45x 15*1 = 35x + 35*1
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10x = 20
x = 2 cu. ft (amt of 45% soil needed)
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Cheers,
Stan H.
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