To calculate your earnings for the week if you work 45 hours, we can break it down as follows:
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Regular hours: You earn $20 per hour for the first 40 hours.
- For 40 hours: \( 40 \text{ hours} \times 20 \text{ dollars/hour} = 800 \text{ dollars} \)
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Overtime hours: You earn $30 per hour for each hour over 40 hours. If you worked 45 hours, then you worked 5 hours of overtime.
- For 5 overtime hours: \( 5 \text{ hours} \times 30 \text{ dollars/hour} = 150 \text{ dollars} \)
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Total earnings for the week: Add your regular earnings and overtime earnings together.
- Total = Regular earnings + Overtime earnings
- Total = 800 dollars + 150 dollars = 950 dollars
Therefore, if you work 45 hours, you will make $950 for the week.