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Kelly works two jobs. She usually works at a retail store for 5 hours during the day and is paid $13.31 per hour by the store. In the evening she works at a restaurant as a manager for 7 hours and is paid $14.05 per hour. How much does she make on average per hour for the day?

Respuesta :

Given that Kelly is paid $13.31 per hour for 5 hours of work at the retail store. So her payout for these 5 hours will be,

[tex]\begin{gathered} =5\cdot(13.31) \\ =66.55 \end{gathered}[/tex]

Also given that Kelly is paid $14.05 per hour for 7 hours of work at the restaurant. So her payout for these 7 hours will be,

[tex]\begin{gathered} =7\cdot(14.05) \\ =98.35 \end{gathered}[/tex]

The total payout is obtained as,

[tex]\begin{gathered} =66.55+98.35 \\ =164.9 \end{gathered}[/tex]

The average income per hour can be obtained as follows,

[tex]\begin{gathered} =\frac{\text{ Total payout}}{\text{ Total time invested}} \\ =\frac{164.9}{7+5} \\ =\frac{164.9}{12} \\ \approx13.742 \end{gathered}[/tex]

Thus, it can be concluded that Kelly makes an average of $13.742 per hour for the day.

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