7/10 is 70%
70% of 120 is 84.
So 84 people would prefer to practice after school.
Answer:
x=3
Step-by-step explanation:
The answer is D Gather your resources; understand the problem; come to and answer; check your answer and present the solution.
If it is a square then find the square root of 400. Which would get you 20. So 20 is the length of one side since it is a square you multiply 20 by 4 to get 80. The perimeter is 80 feet