I think the answer to that is 1 guest because it said charges guest which means only 1 person is charged
It is about 3,000. There is no #4 on your picture, so I just answered number one because that is all I saw.
What you do first is add 4 to both sides of the equation to get x alone and you get x=11. X is equal to 11.
Answer:
The measure of the third side should be less than 2+5 = 7
Length of the third side<7
Hope this helps!
