Question 479810: 2m^3 of soil containing 35% sand was mixed into 6m^3 of soil containing 15% sand. What is the sand content of the mixture? Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! 2m^3 of soil containing 35% sand was mixed into 6m^3 of soil containing 15% sand. What is the sand content of the mixture?
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2*0.35 = 0.7 cm of sand
6*0.15 = 0.9 cm of sand
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--> 1.6 m^3 of sand in 8 m^3
1.6/8 = 0.2 = 20% sand
