exam Maths Puzzle Numerical Ability

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.

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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 The head of a tropical fish is 1/3 as long as its midsection. Its tail is as long as its head and midsection combined. The total length of the fish is 48cm. How long is the tail of