Answer:
n=10
Step-by-step explanation:
5n-20=3n
-20=-2n
10=n
5) 74.925
6) 470
i think this is correct but i'm not completely sure
2+2=2x+2
-2 to both sides
2=2x
Divide 2
X=1
Answer: D) Length: 60, Width: 30
Step-by-step explanation:
The totals of the length plus two widths of the other dimensions given do not add up to 120 feet.