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Mathematics
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Vickie pays $90.00 for a new dress at a President's Day sale. If the original price for the dress was $225.00, what is the percent discount?
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let x be the % discount... implying x% of 225 = 90... which implies (x/100)*225=90... implying 2.25*x=90... implying x= 90/2.25 implying.. x=40.. so its a 40% dicount.
\(\huge \frac{225-90}{225}*100 \\ \huge = \frac{35}{225}*100 \\ \huge = ?\)
It's simply the marked price- selling price/ marked price x 100 225-90/225 x 100 135/225 x100= 60%
Is 60% answer
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