Answer:
80 m²
Explanation:
If we assume the carpet is sold by the square meter, then we need to find the area of the family room in square meters.
The area of a rectangle is the product of its length and width, so Thresa's family room will have an area of ...
(8 m)×(10 m) = 80 m²
Thresa needs to buy 80 m² of carpet to cover her family room.