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Ann increased the quantities of all the ingredients in a recipe by $60\%$ . She used $80\,\text{grams}$ of cheese. How much cheese did the recipe require?

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Percents - calculate tax, tip, mark-up, and more

Full solution

Q. Ann increased the quantities of all the ingredients in a recipe by

60\%

. She used

80\,\text{grams}

of cheese. How much cheese did the recipe require?

Calculate Original Amount: Ann used $80$ grams of cheese after a $60\%$ increase. To find the original amount, we need to reverse the increase. We calculate the original amount by dividing the increased amount by $1.60$ ( $100\% + 60\% = 160\%$ , or $1.60$ as a decimal). $\newline$ Calculation: $80$ grams $\div 1.60 = 50$ grams.

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