Answer:
-0.72x+18000
Step-by-step explanation:
i think if im wrong im sorry
x=30
90+130+x+10+x+x+x=360
230+3x=360
3x=90
13.5
4+5 = 9.
9/2 = 4.5
4.5 * 3 = 13.5
56.3 is your answer in simplest from
