exam
Maths Puzzle
Numerical Ability
How many liters of water must be added to 5 liters of a 30% acid solution to obtain a 20% acid solution?
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exam Other Question
Perform indicated operations
(x^2-11x+4)-(-2x^2+2x-6)-(X^2+6x-5)
Completely lost again! Thanks
Slope -2/5; y-intercept (0,4)