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While shopping,Hilary spent $120. If the amount she spent was

20% of her savings, how much savings did she have before she shopped?

$\mathrm{Let}\mathrm{her}\mathrm{savings}\mathrm{were}\mathrm{x}\phantom{\rule{0ex}{0ex}}\mathrm{so}20\%\mathrm{of}\mathrm{x}=120\phantom{\rule{0ex}{0ex}}\frac{20\mathrm{x}}{100}=120\phantom{\rule{0ex}{0ex}}\mathrm{x}=120\times 5=600\mathrm{dollor}$

Regards

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