Answer:
The length is 10 and the width is 21.25
Explanation:
You time 2.5 × 4 = 10 to get the width
You time 2.5 × 8 = 20 and 1 half of 2.5 is 1.25.
So you add 20 + 1.25 = 21.25 and that is your width.
So the answer is length is 10 and width is 21.25