A computer engineer is paid $20 per hour and $12 for coming to work on time. How many hours must she work to earn a minimum of $172?

She should come to work on time and work at least 8 hours to earn $ 172 a day.

Given that a computer engineer is paid $ 20 per hour and $ 12 for coming to work on time, to determine how many hours must she work to earn a minimum of $ 172, the following calculation must be performed:

Therefore, she should come to work on time and work at least 8 hours to earn $ 172 a day.

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8 hours

Step-by-step explanation:

Let x = the hours she work

Equation-

1.  20x + 12 = 172

2.         - 12   - 12

     20x = 160

3.   /20    /20

4.  x= 8 hours

1. Write out the equation

2. subtract 12 from both sides

3. Divide 20 on both sides

4. Your answer is 8 hours

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