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26-01-2022
Mathematics

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Jenny has finished 12 of the 20 lessons and her piano book what percent did she finish

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26-01-2022

Answer:

[tex]let \: the \: percentage \: be \: x \\ therfore \: x\%of \: 20 = 12 \\ \frac{x}{100} \times 20 = 12 \\ \frac{x}{5} = 12 \\ x = 12 \times 5 \\ x = 60\%[/tex]

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