Problema Solution
2m3 of soil contained 35% sand was mixed into 6m3 of soil containing 15% sand. What is the sand content of the mixture.
Answer provided by our tutors
let 'x' represent the content in the mixture as a decimal
0.35*2 + 0.15*6 = x(2 + 6)
by solving we find:
x = 0.2 or 20%
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the sand content of the mixture is 20%.