Answer: 4/5
Step-by-step explanation:
I think the answer is D
Answer:
take a picture of the problem
1'/4
perimeter of a triangle is a + b + c
15 = 5n+n+2n-6+1
15 = 8n - 5
15 - 5 = 8n
10 = 8n
n = 10/8
n = 1'/4
