exam
Maths Puzzle
Numerical Ability
the equation is 1 minus x over 3 in absolute value bars is greater than or equal to 2 over 3.
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exam Other Question
1/x-5 - x/x^2-25 <---all over 5/2x
Simplify the complex fraction.
How many gallons of a 70% alcohol solution must be mixed with 50 gallons of a 20% solution to obtain a solution that is 60% alcohol