The answer is already in its simplest form. You can not add the two because the have different variables. Hope this helps ;)))
Answer:
x=4200
Step-by-step explanation:
10x=42000
x=4200
The circumference of a Ferris wheel:
C = 2 r π
C = 2 · 70 · 3.14
C = 439.6 ft
439.6 : 40 = 10.99 ≈ 11 ft
Answer:
The cars are placed approximately 11 ft apart.