Answer:
c. 620
Step-by-step explanation:
1st: Find the area of the whole rectangle
The formula for a square is <em>l x w</em>
40x17=680
2nd: Find the areas of the rectangles
The are of a rectangle is the same formula for a square (<em>l x w)</em>
6 X 2.5=15
3rd: Multiply 15 by 4
This represents the number of smaller rectangles that are in the big rectangle
15 x 4= 60
4th: 680-60
This represents the amount of room that the students can wak on
<u>FINAL ANSWER: </u>620 square feet