SOLUTION: 2 yd ³ of soil containing 35% sand was mixed into 6yd ³ of soil containing 15% sand. What is the sand content of the mixture?

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Question 886487: 2 yd ³ of soil containing 35% sand was mixed into 6yd ³ of soil containing 15% sand. What is the sand content of the mixture?
Answer by lwsshak3(11628) About Me  (Show Source):
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2 yd ³ of soil containing 35% sand was mixed into 6yd ³ of soil containing 15% sand. What is the sand content of the mixture?
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35%*2+15%*6=x%*8
.70+.90=8x
x=1.6/8=.20
sand content of the mixture=20%