The answer is correct but i do not know what ARLENE did wrong
Answer:
2(x+10) = 3x-30 (reason: vertical angles are congruent)
2x+20 = 3x-30
20 = 1x-30
1x = 20+30
1x = 50
x = 50
Answer: The correct answer would be 45ft and 36ft
Hopefully this helps:) Mark me the Brainliest:))!!