During dollar days, if you buy a blouse at the regular price of $42.98, you get a second blouse for only $1. The amount, in dollars, saved per blouse by buying at this sale is?
42.98 + 1 ==$43.98 - cost of 2 blouses at this sale.
42.98 x 2 ==$85.96 - cost of 2 blouses at their regular price.
[85.96 - 43.98] / 2 ==$20.99 - amount saved per blouse due to the sale.
