A sweater that had 40% discount and I saved 20 dollars, what was the price of the sweater

What kinds of numbers make up the set of numbers called the real numbers? give examples when you explain a number type. there are a limited set of types of numbers, but an unlimited number of examples of these numbers.

Polygon abcd is a rectangle what is the area

Caitlin had 402. in her bank account.she withdrew $15.each week to pay for swimming lesson. she now has $237.