How much is the bill for a person who uses 800 kWh in a month ?

Mikesol asked Apr 4, 2023

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Mikesol asked Apr 4, 2023

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4 votes

For a person who uses 800kwh. x = 800 , Since x is greater than 200 we will use

$\begin{gathered} 0.15(x-200)+20 \\ 0.15x-30+20 \\ 0.15(800)-10 \\ 120-10=110 \end{gathered}$

Harry Blue answered Apr 9, 2023

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