During a sale, every item in a store is 80% of its regular price. 1. If the regular price of a T-shirt is $10, what is its sale price?
$10:100% so $?: 80% So what is the sale price? 2$
2. The regular prices of five items are shown here. Find the sale price of each item.
item 1
item 2
item 3
item 4
item 5
regular price
$.
$4
$10
$55
$120
sale price