Respuesta :

Answer:

5. 87.5 miles  6.  9 = x

Step-by-step explanation:

5.  25 miles times 3.5 inches = 87.5 miles

6.  18 - 8x = -6x

18 - 8x + 8x = -6x + 8x

18 = 2x

18/2 = 2x/2

9 = x

x represents "a number"