Answer:
$9.84
Explanation:
at 45% off the case is $5.41
Therefore this $5.41 is only 100% - 45% = 55% of the original price
x = original price
55% of x = $5.41
55/100 x = 5.41
x = 5.41 * 100 / 55
x = $9.84
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