Answer:
$1.08
Step-by-step explanation:
Recall what percentage sales mean. The difference between 100 and the percentage number of the sale indicates what percentage of the original price the store charges.
In this case, since the store gives a 10% off, the dress Amanda buys is now only worth 90% of the original cost. In mathematical terms the dress would be worth,
[tex](0.9)1.20=1.08[/tex] dollars.
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