document.write( "Question 498216: Lea bought a pair of shoes at two successive discounts of 20% and 10%. What single discount are these two discounts equivalent?\r
\n" ); document.write( "\n" ); document.write( "The answer is 28% but i don't know the solution
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Algebra.Com's Answer #336974 by htmentor(1343)\"\" \"About 
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Lea bought a pair of shoes at two successive discounts of 20% and 10%. What single discount are these two discounts equivalent?
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\n" ); document.write( "If C is the original cost, then the price after the first discount = 0.8C
\n" ); document.write( "The new price after applying the second discount = 0.9*0.8c = 0.72c
\n" ); document.write( "So the total discount = 1 - 0.72 = 0.28, or 28%
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