exam Maths Puzzle Numerical Ability

1. |x | = 6


2. |3x + 2| = 14


3. - 5| x + 1| = -10


4. |x - 2| + 10 = 12


5. |x| = - 5


6. |2x + 6| - 4 = 20


7. 6 - 3|2x + 6| = 0


8. 10 - |x + 2| = 12

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-7/8t < -14
An employee who produces x units per hour earns an hourly wage of y=0.55x+7(in dollars) find the hourly wage for an employee who produces 13 units per hour.