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17-05-2021
Mathematics

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Mandy works part-time to earn money for a trip. The amount she saves after working x hours is given by the equation y=7.5x+40. How much does Mandy earn per hour?

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ibnuamam104 ibnuamam104

17-05-2021

[tex]y = 7.5x + 40 \\ y = 7.5(1) + 40 \\ y = 7.5 + 40 \\ y = 47.5[/tex]

[tex]mandy \: earns \: 47.5 \: per \: hour[/tex]

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