exam
Maths Puzzle
Numerical Ability
y=3x
x+y=8
Create a quick graph and the system by substitution
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exam Other Question
Solve for x in terms of a????
4a^2x^2 + 8ax + 3 = 0???
1.How many liters of 22% salt solution must be added to 75 liters of 67% salt to get a 47% salt solution?
2. How many gallons of a 40% alcohol solution should be mixed with 15 gallons of 80% solution to obtain a 60% alcohol solution?