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Maths Puzzle
Numerical Ability
(1) Find the x- intercepts of the graph of f(x) =2x^2-4x-4
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-6y = 960
18w = -234
375 = 14x + (=17)
A chemist wants to mix a 75% acid solution with a 35% acid solution to produxe 400 ml of a 50% acid solution. How many ml of each solution should he use? Could someone show me how to do this problem? Thank you.