Respuesta :

olemakpadu
If there is a sale off of 20%, it means the discount is 20%.

The current price would now be = (100 -20)% = 80%.

80% of 18.5

= 80/100  * 18.5     Use your calculator

=  0.8 * 18.5 = 14.8

The sale price is now $14.80.
$3.7 because if you  you multiply 18.50 by 20 and divide my 100 you get 3.7
            20         
____   ___
18.50=100