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Maths Puzzle
Numerical Ability
{{{x/3=5/8-2x/4}}}
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book Other Question
How many liters of 8%, 10% and 20% solutions are needed to make 8L of a 12.5% mixture if the 8% solution is 2L more than the 20% solution?
factor the following:
4x2 - 39x + 27
the 4x is squared
I am not sure if this is factorable or not