HELP PLEASE ILL GIVE YOU BRAINLIST !! I DONT UNDERSTAND IT .
Step-by-step explanation:
[tex]35 + 35 = 70[/tex]
[tex]180 - 70 = 110[/tex]
[tex]180 - 110 = 70[/tex]
[tex]70 + 70 = 140[/tex]
[tex]180 - 140 = 40 [/tex]
so the answer is 40