Respuesta :

Answer:

187

Step-by-step explanation:

Observe the difference:

  • 211-207 = 207-203 =.... = 4(constant)

211,211-4,(211-4)-4= 211-4*2,....to 7th term

Develop a formula;

  • 211-4*(n-1) where n is the term

7th term,(n-1) = 6, so 211-4*6 = 211-24 = 187