The discount price of the shirt after 20% discount is $14.40.
Given information:
The regular price of a shirt = $18
The discount offered = 20%
As, we know that discounted price will be the difference of actual price and the discount offered.
So, according to the question the discount price can be calculated as:
The discount (D)
[tex]D=(20/100)\times 18\\D=18\times 0.20\\D=3.6[/tex]
So the discount price of the shirt will be:
[tex]P=18-3.6\\P=14.4[/tex]
Hence, the discount price of the shirt after the discount of 20% is $14.40.
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