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30% of a number is one-thirtieth of x, find the initial expression as a fraction of x
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30% of a number is one-thirtieth of x, find the initial expression as a fraction of x

User Andrea Corbellini
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30\%=(1)/(30)x\\\\0.3=(1)/(30)x\\\\(3)/(10)=(1)/(30)x\ \ \ \ \ |\cdot30\\\\x=9\\As\ a\ fraction\ (9)/(30)
User Jaetzold
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