Hey there!
The answer for your problem is: $1800
Let me know if you'd like me to explain how I got this answer!
Answer:
please mark me as brainlest
Step-by-step explanation:
b is the answers for the question
Hey there!
The answer to your question is 
Given:

First, we can start by adding like terms. The following are like terms:



Now, we can add these pairs together, giving us:



Now, add all this together, and we get our answer as:

Have a terrificly amazing day!
Answer:
I kinda color coded it. Hopefully this helps.
Step-by-step explanation:
Please look at the attached screenshots.