exam
Maths Puzzle
Numerical Ability
How many liters (L) of a 30% ACID SOLUTION MUST BE ADDED TO 8 L of an 55% acid solution to obtain a 40% solution?
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exam Other Question
i need to find the asymptotes of the rational function of
6x^2/2x^2+5x+2
log (x+10) - log (x+4) = log x