Answer:
n=31.5
Step-by-step explanation:
The given question is:

Cross multiply to get:

Expand the parenthesis:

Group similar terms:

Combine the like terms

Divide both sides by 4

n=31.5
Answer is D.x=9
5x+3+6x+5+8x+1=180
now solve for 'x'
Hope this help
Answer:
Transitive property is used in step 4.
Step-by-step explanation:
Transitive property states that if

Here we have
