Answer:
8.625 or 8 5/8
Explanation:
to find area you multiply length times width.
first, change 2 7/8 to an improper fraction to make multiplying easier. 2 7/8= 23/8.
then, multiply 3/1 (or 3) by 23/8. multiply across to get 69/8. Simplify the fraction to get 8 5/8 or 8.625.