Respuesta :

Answer:

$33.60

Step-by-step explanation:

Note that "full price" is 1.00($42.00) = $42.00.

"20% discounted price is 0.80($42.00) = $33.60.  This is the sale price.

The discount is 0.20($42.00) = $8.40 (but we weren't asked for that).