A sweater originally costing $80 is now on sale for $60. determine the percent decrease.30% %

asked Aug 25, 2017 228k views

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6 votes

Let x = discount rate
Equate:
$80(1-x) = $60
Solve for x:
1-x = 60/80
1-x = 3/4
x = 1 - 3/4
x = 1/4 or 0.25
x = 25%

Adrian Ber answered Aug 29, 2017

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