To calculate the total earnings for the week for the grocery store employee who works 55 hours, we need to determine how many hours he works at the regular rate and how many at the overtime rate.
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Regular hours: The employee earns $15 an hour for the first 40 hours.
- Total for 40 regular hours = 40 hours × $15/hour = $600
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Overtime hours: Any hours worked over 40 are paid at the overtime rate of $20 an hour.
- The employee works 55 hours, so the overtime hours = 55 hours - 40 hours = 15 hours.
- Total for 15 overtime hours = 15 hours × $20/hour = $300
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Total earnings for the week:
- Total earnings = Earnings from regular hours + Earnings from overtime hours
- Total earnings = $600 + $300 = $900
Therefore, if the employee works 55 hours in a week, he will make $900.