Going from 25.00 to 65.00 is an increase of 160%
12%
25%
The new price of the shirt is $77.56 + tax.
11.70.
The sale price is 40.00
It was 10.00*1.3*0.7 = 9.10
A polo t-shirt can vary in price. It can be as little as $5.00 for a basic shirt up to over $100. The name brand shirts such as Calvin Klein will increase the price drastically.
$ 30.00 - 20 % ( $ 6 ) = $ 24.00
25% off $40.00 = $30.00
The total tax is $0.51 and the total price with tax is $9.01.
$25.50 would be the price
That depends what you mean by a 36 shirt. Usually it means a size 36 shirt, so the answer depends on the price of such a shirt. If you mean a shirt that costs 36 (dollars, cents, euros, whatever), the answer is 2.52.