exam
Maths Puzzle
Numerical Ability
How much water should be added to one liter of pure alcohol to make a mixture of 50% alcohol?
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exam Other Question
Solve the system by graphing.
3x-2y=4
-6x+4y=7
Simplify each algebraic expression
A 4a+9+3a-7
B 6 (3x+4) + 5 (2x-1)
Please help me on this
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