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Maths Puzzle
Numerical Ability
If y varies inversely as x^2, and y = 2 when x = 4, what is the constant variation?
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book Other Question
Solve the system of equations. Describe what you are doing at each step in your solution process.
w+x+y+z=6
3w-x+y-z=3
2w+2x-2y+z+4
2W-x-y+z=-4
Solve: 1 + 4(2c- 3) = 3(3c-5)