Answer: 48 inches, 14 inches, 21 inches and 14 inches.
Step-by-step explanation:
1. The perimeter of the trapezoid is the sum of the lengths of its sides. You know that the perimeter is 97 inches, then, you can write the following expression:

2. Now, you must solve for x, as following:

3. Then length of each side is:



2/5 or 0.4 is the answer to your question
Answer:
I think x is 14
Step-by-step explanation:
15+4=19
19-5=14
Answer:
7.5 ft²/student
Step-by-step explanation:
This is a "unit rate" problem.
30 ft²
------------------ = 7.5 ft²/student
4 students
Each student will paint 7.5 ft² of the wall.