The regular price of an item at a store is
p dollars. The item is on sale for 20% off the
regular price. Some of the expressions shown
below represent the sale price, in dollars, of
the item.
Expression A: 0.2p
Expression B: 0.8p
Expression C: 1 -0.2p
Expression D: p -0.2p
Expression E: p-0.8p
Which two expressions each represent the sale
price of the item?
Expression A and Expression E
®
Expression B and Expression C
Expression B and Expression D
©
O
Expression C and Expression D