exam Maths Puzzle Numerical Ability

How much water must be evaporated from 32 ounces of a 4% salt solution to make a 6% salt solution?

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exam Other Question

a)SOLVE 2X^2=6

b) Find the x-intercepts of f(x)=2x^2-6

What are the solutions?

What are the x-intercepts?


Thank you for any help!!!!
(4x-9y)-(5x-7y)+(2x-5y)