Answer:

The correct answer is letter B.

Hope it helps

Answer:

B. 1,200

Step-by-step explanation:

There are 10 years in 1 decade, so I multplied 10 by 12 (months in 1 year). Then multiplied the answer by 10 (decades).

10 × 12 (mos. in 1 yr.) = 120 × 10 (decades) = 1,200