book
Maths Puzzle
Numerical Ability
how many liters each of two solutions containing 30% and 20% acid, respectively, must be mixed to prepare 50 liters of solutions containing 26% acid?
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book Other Question
complete the square, and find the roots of the quadratic equation.
x^2 - 2/3x = 0
In June I purchased 300 shares of Oracle stock at $20 per share. In August I purchased an additional 400 shares at $25 per share. In November bI purchased an additional 400 shares